26fbde782f
The customization of that block was removing the parent container by
mistake, making the editor crash.
Related to task-4246355
X-original-commit: c97e39eee5
Part-of: odoo/design-themes#1023
Related: odoo/odoo#189669
Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>