[IMP][REF] website_forum: added the published mixin. A hook on res.users

has also been added, because the action open_website_url linked to the publish
button is not defined on res.users model (but on its inherited partner).
It now has the method that is routed on its partner.

addons/website_forum/models/res_users.py

@@ -105,3 +105,8 @@ class Users(models.Model):
         else:
             excluded_categories = ['forum']
         return super(Users, self).get_serialised_gamification_summary()
+
+    # Wrapper for call_kw with inherits
+    @api.multi
+    def open_website_url(self):
+        return self.mapped('partner_id').open_website_url()

addons/website_forum/views/res_users.xml

@@ -12,8 +12,10 @@
                     <field name="karma" string="Forum Karma"/>
                 </field>
                 <xpath expr="//div[contains(@class, 'oe_right oe_button_box')]" position="inside">
-                    <br/>
-                    <field name="website_published" class="pull-right" widget="website_button"/>
+                    <button class="oe_inline oe_stat_button" name="open_website_url"
+                        type="object" icon="fa-globe">
+                        <field name="website_published" widget="website_button"/>
+                    </button>
                 </xpath>
             </field>
         </record>