Because of the event propagating to an option's parent, a snippet option requesting a uservalue widget would also get back the corresponding widgets on the parent snippetEditor, this has the potential to cause unforeseen problems. This commit fixes that by stopping the event's propagation. closes odoo/odoo#46724 X-original-commit: 1441b3c2f4f935771b3210be82f7b471aa028b64 Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>