[IMP] mass_mailing: no create link.tracker

Indeed UTMs should be created from the front end, via promote.

Also fixed some mismatch in tracker views by correctlin setting the view_id in
mass_mailing and classic utm view.

addons/link_tracker/views/link_tracker.xml

@@ -110,6 +110,7 @@
             <field name="res_model">link.tracker</field>
             <field name="view_type">form</field>
             <field name="view_mode">tree,form,graph</field>
+            <field name="view_id" ref="view_link_tracker_tree"/>
         </record>
 
         <!-- Website links click views -->

addons/mass_mailing/views/mass_mailing.xml

@@ -339,7 +339,7 @@
             <field name="model">link.tracker</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
-                <tree string="Mailing Statistics of Clicks">
+                <tree string="Mailing Statistics of Clicks" create='false'>
                     <field name="title"/>
                     <field name="url"/>
                     <field name="count"/>
@@ -363,6 +363,7 @@
             <field name="name">Statistics of Clicks</field>
             <field name="res_model">link.tracker</field>
             <field name="view_mode">tree</field>
+            <field name="view_id" ref="view_mail_mass_mailing_links_tree"/>
             <field name="context">{'search_default_mass_mailing_id': active_id}</field>
         </record>