This commit back-port some fixes from saas-11.2 on composer. Tests are available only in saas-11.2 and up. List of fixes: 1. Pressing TAB with @ mention propositions should cycle through them (see https://github.com/odoo/odoo/commit/497a44ab7f04e377decf5fde42f075616f764f26) 2. Prevent a crash when focusing out the emoji button (see https://github.com/odoo/odoo/commit/1753017255f3f078ede05a68842f440e02b64630)