[ADD] b_product: Label info in product.product view

Now label info are also shown in the product.product view and not only
in product.template view.

This let you access to label info of an article when following this
path:
Select PO -> Select a line -> Click on article.

beesdoo_product/views/beesdoo_product.xml

@@ -72,6 +72,37 @@
         </field>
     </record>
 
+    <record model="ir.ui.view" id="beesdoo_product_product_form">
+        <field name="name">bees.product.product.form</field>
+        <field name="model">product.product</field>
+        <field name="inherit_id" ref="product.product_normal_form_view" />
+        <field name="arch" type="xml">
+            <xpath expr="//group[@name='inventory']/.." position="after">
+                <page string="Label">
+                    <group>
+                        <group name="label">
+                            <field name="total_with_vat"/>
+                            <field name="display_weight"/>
+                            <field name="display_unit"/>
+                            <field name="default_reference_unit"/>
+                            <field name="total_with_vat_by_unit" />
+                            <field name="total_deposit" />
+                        </group>
+                        <group>
+                            <field name="main_seller_id"/>
+                            <field name="eco_label"/>
+                            <field name="local_label"/>
+                            <field name="fair_label"/>
+                            <field name="origin_label"/>
+                            <field name="label_to_be_printed"/>
+                            <field name="label_last_printed"/>
+                        </group>
+                    </group>
+                </page>
+            </xpath>
+        </field>
+    </record>
+
     <record model="ir.ui.view" id="beesdoo_product_label_form">
         <field name="name">bees.product.label.form</field>
         <field name="model">beesdoo.product.label</field>