<odoo>
    <!-- Invoice Line Form -->
    <record model="ir.ui.view" id="view_invoice_line_form_crm_compassion">
        <field name="name">account.invoice.line.crm.compassion.form</field>
        <field name="model">account.invoice.line</field>
        <field name="inherit_id" ref="account.view_invoice_line_form"/>
        <field name="arch" type="xml">
            <field name="invoice_line_tax_ids" position="after">
                <field name="crowdfunding_participant_id" widget="many2one"/>
            </field>
        </field>
    </record>

    <record id="donation_tree_view" model="ir.ui.view">
        <field name="name">account.invoice.line.crowdfunding.tree</field>
        <field name="model">account.invoice.line</field>
        <field name="type">tree</field>
        <field name="arch" type="xml">
            <tree decoration-primary="state == 'draft'" decoration-muted="state in ('open', 'cancel')" default_order="due_date desc">
               <field name="due_date"/>
               <field name="partner_id"/>
               <field name="user_id"/>
               <field name="price_subtotal" sum="Total"/>
               <field name="state"/>
               <field name="is_anonymous"/>
            </tree>
        </field>
    </record>
</odoo>

<odoo>
    <!-- Invoice Line Form -->
    <record model="ir.ui.view" id="view_invoice_line_form_crm_compassion">
        <field name="name">account.invoice.line.crm.compassion.form</field>
        <field name="model">account.invoice.line</field>
        <field name="inherit_id" ref="account.view_invoice_line_form"/>
        <field name="arch" type="xml">
            <field name="invoice_line_tax_ids" position="after">
                <field name="crowdfunding_participant_id" widget="many2one"/>
            </field>
        </field>
    </record>

    <record id="donation_tree_view" model="ir.ui.view">
        <field name="name">account.invoice.line.crowdfunding.tree</field>
        <field name="model">account.invoice.line</field>
        <field name="type">tree</field>
        <field name="arch" type="xml">
            <tree decoration-primary="state == 'draft'" decoration-muted="state in ('open', 'cancel')" default_order="due_date desc">
               <field name="due_date"/>
               <field name="partner_id"/>
               <field name="user_id"/>
               <field name="quantity" sum="Total"/>
               <field name="price_subtotal" sum="Total"/>
               <field name="state"/>
               <field name="is_anonymous"/>
            </tree>
        </field>
    </record>
</odoo>

Add quantitites in crowdfunding donation views
Add quantitites in crowdfunding donation views
