- Teacher can now see the progress of his students on the attendees' list.
- The completion of a course was recomputed even if the course is completed
now it's fixed to 100 when completed.
- Added a progressbar in course page in front-end to allow the user to see
it's progression. When completed, the tag completed is displayed instead of
the progressbar.
- On slide page in front-end(normal view or fullscreen) when a course is
completed, display the tag completed instead of the progressbar.
- Removed completed state on course "Taking care of Trees" for portal user
because it was not the case.
task-2049689
closesodoo/odoo#36608
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>