Before this commit: unable to remove blockquote and heading element if first element. After this commit: removed element on backspace even if first element. Task- 3004556 closes odoo/odoo#114727 X-original-commit: f0bbf1aab823524a74a52f694c0564dd23618a90 Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>