Purpose: This commit adds Emoji_picker functionality to the web_editor, allowing users to conveniently add emojis to their text and improving the overall user experience. Specifications: Now we can insert emoji in web_editor using `/emoji`. Task id: 3253958 closes odoo/odoo#125137 Related: odoo/enterprise#42772 Signed-off-by: Simon Genin (ges@odoo) <ges@odoo.com>