[IMP] stock_dropshipping: make drop shipping apply on products by default

When drop Shipping is true, the route should be applicable on the products by default.

addons/stock_dropshipping/data/stock_data.xml

@@ -22,7 +22,7 @@
             <field name="name">Drop Shipping</field>
             <field name="sequence">3</field>
             <field name="sale_selectable" eval="True"/>
-            <field name="product_selectable" eval="False"/>
+            <field name="product_selectable" eval="True"/>
             <field name="product_categ_selectable" eval="True"/>
         </record>