This commit adds a GIF picker in discuss app. GIF feature makes use of Tenor GIF API [1]. To enable GIF picker in discuss, you must provide a Tenor GIF API key in the General Settings. Then the GIF picker is visible in all channels (chat window and discuss app), next to the emoji picker button. [1] https://tenor.com/gifapi/documentation task-2365705 closes odoo/odoo#116060 Related: odoo/enterprise#41959 Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com> Co-authored-by: Brieuc-brd <brd@odoo.com>