When duplicating a mailing with a template already set, especially with a slow connection, hitting the save button as soon as possible was causing the help overlay to be superposed with the template. This solves the problem. Task-2937045 closes odoo/odoo#97930 X-original-commit: 89ecb17f56b34b7e3875fa36cde70a2666dca4d8 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>