* Avoid auto-transforming an valid url inside an existing <a> tag. * Ensure the current selection range is deleted before embedding an image or video. task-2604627 closes odoo/odoo#89210 X-original-commit: 070bceeadd16e0b5643b91ad583449d31c48313d Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>