Add reference and warehouse fields to the list of purchase request quotations

Closes #13021

modules/purchase_request_quotation/view/purchase_request_quotation_list.xml

@@ -4,6 +4,8 @@ this repository contains the full copyright notices and license terms. -->
 <tree>
     <field name="company" expand="1" optional="1"/>
     <field name="number" expand="1"/>
+    <field name="reference" expand="1" optional="1"/>
     <field name="supplier" expand="2"/>
+    <field name="warehouse" optional="1"/>
     <field name="state"/>
 </tree>