Website helpdesk tickets created from online forms now receive better-formatted descriptions. This makes submitted information easier for support teams to read and act on, reducing confusion when handling customer requests.

In this PR, the formatting of adding descriptions to tickets created from the website form has been improved.

task-3459958

The customer portal ticket view now makes timesheet entries easier to read by highlighting alternating rows and aligning row content vertically. This improves readability for customers reviewing service time on support tickets.

Before this commit:
-portal ticket every lines of timesheet table was same
-timesheet row data was not vertically center

After this commit:
-portal ticket every other lines of timesheet table will highlighted
-timesheet row data will vertically center

task-3546347

The Planning app now uses a newer interface component for selecting and displaying resource avatars in planning views. This keeps the experience more consistent and easier to maintain while preserving the existing behavior where still needed.

Before this commit, the Many2OneAvatarResource widget called 'many2one_avatar_resource' was still a legacy widget.
We create the owl version and keep the legacy one for calendar views.