Purpose
=======
Give users a better experience while using the utm campaign module.
Specifications
==============
* Add a filter called "My Campaigns" filtering on the current user_id.
* Add a groupby Tags.
* Always underline the Tags field in the campaign quick create.
* When duplicating a campaign, do not copy the stage and make it
restart the pipe.
* In the list view:
- Change the column name from "Campaign Name" to "Name".
- Add bold on the stage field.
- Add the avatar widget to the Responsible field.
* For the edit stage modal:
- Make the dialog smaller.
- Only display the name field.
- Add a placeholder to the name field.
Task-3240966
Part-of: odoo/odoo#116230
amdi-odoo
d9eea928b3