This fixes an issue where changing the task or project while creating a helpdesk ticket was not reflected on the related timesheet entry. The update helps keep support work, project tracking, and time reporting aligned without manual correction.

Task: https://www.odoo.com/web?#id=2026776&action=327&model=project.task&view_type=form&menu_id=4720
Pad: https://pad.odoo.com/p/r.cf13f687b5e10e960158b568c8b1f558

A display issue in the Mail Enterprise attachment viewer was fixed so attached files are visible again. This helps users open and review attachments without encountering a blank viewer.

With the z-index=-1, attachments are invisible.