[BUGFIX] Allow custom passwords while creating be users

With this change it is again possible to give backend users
their own password when creating. Previously, any new user
record was created with a random password - even if the given
password matched the password policy.

Resolves: #100762
Releases: main, 12.4
Change-Id: I61a0a3ddc7fbb6322c2f7dab0caa8825f5a9961a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78877


Reviewed-by: Jan Delius <me@jandelius.eu>
Tested-by: Torben Hansen <derhansen@gmail.com>
Reviewed-by: Torben Hansen <derhansen@gmail.com>
Tested-by: Jan Delius <me@jandelius.eu>
Tested-by: Rico Drexler <rico.drexler@gmx.de>
Reviewed-by: Rico Drexler <rico.drexler@gmx.de>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>