[IMP] customer ratings flow improvements

- Rename the 'Use Rating on Project' feature into 'Customer Ratings'
- Rename the 'Set Email Template to Stages' link to 'Set a Rating Email Template on Stages'
- Add an optional list view for the Stages menu
- display warning if the rating_template_id field is set and if one of the selected project_ids doesn't have the rating_status field set to true
- Project form view revamp
- rename the '% on tasks' stat button into 'Customer Satisfaction'
- Remove the 'no option' for the rating frequency field because it is required
- project form : Add a 'Go to Website' stat button
- Project dashboard: remove the 'Customer Ratings' menu item in more
- Ratings page: the 'Last 30 days' filter include ratings from today
- remove the Appointment / Helpdesk Customer Satisfaction / Live Support menu items

TASK ID : 1251