fdo#74913 The delete style confirmation dialog asks the question now.

Change-Id: I9d2ed3b233f83d05314c2ad1453be487b25d6be8
Reviewed-on: https://gerrit.libreoffice.org/8163
Reviewed-by: Joren De Cuyper <jorendc@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>