Hi,

I added a custom widget field in the invoice_line_ids  view. The widget displays correctly, but it creates a  empty space between the widget , making the layout look uneven.

Screenshot attached.

How can I remove this extra space

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <data>
        <record id="inherit_invoice_line" model="ir.ui.view">
            <field name="name">inherit.invoice.line</field>
            <field name="model">account.move</field>
            <field name="inherit_id" ref="account.view_move_form"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='invoice_line_ids']/list/field[@name='quantity']" position="after">
                    <field name="current_on_hand_average_cost" optional="hide" groups="zl_account_base.groups_cost_group_manager"/>
                    <field name="cost" optional="hide" sum="Cost" groups="zl_account_base.groups_cost_group_manager"/>
                    <field name="product_type" column_invisible="1"/>
                     <!-- This button opens a wizard to update the cost of the invoice line -->
                    <button name="%(zl_product_report.action_update_cost_wizard)d"
                            type="action"
                            icon="fa-pencil"
                            aria-label="Update Cost"
                            title="Update Cost"
                            groups="zl_account_base.group_management"
                            invisible="not product_id"/>
                    <field name="is_cost_updated" column_invisible="1"/>
                    <field name="total_cost"  optional="hide" sum="Total Cost" groups="zl_account_base.groups_cost_group_manager"/>
                    <field name="margin" optional="hide" sum="Margin" groups="zl_account_base.groups_cost_group_manager"/>
                </xpath>

                <!-- ONE XPATH - both icons together, right after product_id -->
            <xpath expr="//field[@name='invoice_line_ids']/list/field[@name='product_id']" position="after">
                <button data-hotkey="w"
                    name="action_open_product_transactions_wizard" type="object"
                    class="fa fa-info-circle btn-primary"
                />
                <field name="company_stock_info" widget="company_stock_widget" nolabel="1" width="10px"/>
            </xpath>
                <xpath expr="//field[@name='invoice_line_ids']/list/field[@name='account_id']" position="attributes">
                    <attribute name="optional">hide</attribute>
                </xpath>
<!--                <xpath expr="//field[@name='invoice_line_ids']/list/field[@name='tax_ids']" position="after">-->
<!--                    <field name="line_tax_amount" optional="show" sum="Total Tax Amount"/>-->
<!--                </xpath>-->

            </field>
        </record>

        <record id="view_move_form_margin_recompute" model="ir.ui.view">
        <field name="name">account.move.form.margin.recompute</field>
        <field name="model">account.move</field>
        <field name="inherit_id" ref="account.view_move_form"/>
        <field name="arch" type="xml">
            <xpath expr="//header" position="inside">
                <!-- Button for Customer Invoices -->
                <button name="button_recompute_margins" type="object" string="Recompute Margins"
                        class="oe_highlight"
                        groups="zl_account_base.group_management" invisible="move_type not in ['out_invoice','out_refund']"/>

                <!-- Button for Vendor Bills -->
                <button name="recompute_margins_on_related_invoices" type="object" string="Update Sales Margins"
                        class="oe_highlight"
                        groups="zl_account_base.groups_cost_group_manager" invisible="move_type != 'in_invoice' or state != 'posted'"/>
                        help="Manually triggers the recalculation of margins on all sales invoices affected by this bill."/>
            </xpath>
        </field>
    </record>

        <!-- 2. Custom List View -->
    <record id="view_invoice_line_analysis_tree" model="ir.ui.view">
        <field name="name">account.move.line.analysis.tree</field>
        <field name="model">account.move.line</field>
        <field name="arch" type="xml">
            <list string="Invoice Lines" create="false" edit="false" delete="false">
                <field name="invoice_date" optional="show"/>
                <field name="move_id"/>
                <field name="partner_id" optional="show"/>
                <field name="product_id"/>
                <field name="quantity"/>
                <field name="price_unit"/>
                <field name="cost" optional="show"/>
                <field name="margin" optional="show"/>
                <field name="price_subtotal" sum="Total"/>
                <field name="line_tax_amount" sum="Total Tax" optional="hide"/>
                <button name="button_update_line_cost" type="object" icon="fa-refresh" help="Update Cost &amp; Margin for this line"/>
            </list>
        </field>
    </record>


         <!-- 1. Main Action Window -->
    <record id="action_invoice_line_analysis" model="ir.actions.act_window">
        <field name="name">Invoice Lines</field>
        <field name="res_model">account.move.line</field>
        <field name="view_mode">list,form</field>
        <field name="view_id" ref="view_invoice_line_analysis_tree"/>
        <field name="domain">[('display_type', '=', 'product'), ('move_id.state', '=', 'posted')]</field>
        <field name="context">{
            'search_default_sales_invoices': 1,
            'create': False,
            'edit': False,
            'delete':False
        }</field>
        <field name="help" type="html">
            <p class="o_view_nocontent_smiling_face">
                No invoice lines found. Let's create one!
            </p>
        </field>
    </record>

    <!-- 3. Custom Search View with Filters -->
    <record id="view_invoice_line_analysis_search" model="ir.ui.view">
        <field name="name">account.move.line.analysis.search</field>
        <field name="model">account.move.line</field>
        <field name="arch" type="xml">
            <search string="Search Invoice Lines">
                <field name="product_id"/>
                <field name="partner_id"/>
                <field name="move_id"/>
                <separator/>
                <filter string="Sales Invoices" name="sales_invoices" domain="[('move_id.move_type', '=', 'out_invoice')]"/>
                <filter string="Purchase Bills" name="purchase_bills" domain="[('move_id.move_type', '=', 'in_invoice')]"/>
                <filter string="Credit Notes" name="credit_notes" domain="[('move_id.move_type', '=', 'out_refund')]"/>
                <filter string="Refunds" name="refunds" domain="[('move_id.move_type', '=', 'in_refund')]"/>
                <group expand="0" string="Group By">
                    <filter string="Invoice/Bill" name="groupby_move" context="{'group_by': 'move_id'}"/>
                    <filter string="Product" name="groupby_product" context="{'group_by': 'product_id'}"/>
                    <filter string="Partner" name="groupby_partner" context="{'group_by': 'partner_id'}"/>
                </group>
            </search>
        </field>
    </record>

    <!-- 4. Server Action for Mass Update -->
    <record id="action_server_update_line_cost" model="ir.actions.server">
        <field name="name">Update Cost &amp; Margin</field>
        <field name="model_id" ref="account.model_account_move_line"/>
        <field name="binding_model_id" ref="account.model_account_move_line"/>
        <field name="binding_view_types">list</field>
        <field name="state">code</field>
        <field name="code">
            if records:
                records.button_update_line_cost()
        </field>
    </record>

    <record id="account_move_list_view_inherited" model="ir.ui.view">
            <field name="name">account.move.list.view</field>
            <field name="model">account.move</field>
            <field name="inherit_id" ref="account.view_out_invoice_tree"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='amount_total_in_currency_signed']" position="after">
                    <field name="total_margin" sum="Total Margin"/>
                </xpath>
            </field>
    </record>

    <!-- 5. Menu Item -->
    <menuitem
        id="menu_invoice_line_analysis"
        name="Invoice Lines"
        parent="account.menu_finance_reports"
        groups="zl_account_base.groups_cost_group_manager"
        action="action_invoice_line_analysis"
        sequence="100"/>
    </data>
</odoo>

Any guidance would be appreciated.

Thanks.