[IMP] purchase: set the action menu 'Share' only for form view

For the model 'purchase.order', set the action menu 'Share' only for
the form view.

Linked to task 1984526
Related to PR #33720

addons/purchase/data/purchase_data.xml

@@ -32,6 +32,7 @@
             <field name="name">Share</field>
             <field name="model_id" ref="purchase.model_purchase_order"/>
             <field name="binding_model_id" ref="purchase.model_purchase_order"/>
+            <field name="binding_view_types">form</field>
             <field name="state">code</field>
             <field name="code">action = records.action_share()</field>
         </record>