[BUGFIX] Add dontvalidate to default editAction

This will allow opening a record that might not pass validators
to edit and update it once it is adjusted.

Resolves: #53398
Change-Id: Iecbfdc59d918e7f264524d71e196622a66f71c2f
Reviewed-on: https://review.typo3.org/25189
Reviewed-by: Nico de Haen
Tested-by: Nico de Haen