[FIX] website_form: Disable form send on editable mode
[FIX] website_form: Disable form send on editable mode

Before this patch, when a user was editing a website page containing a form
and he clicked "Send", for some reason, the form tried to be sent.

Now, the button behavior is disabled when entering editable mode.

Closes #23852

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo