[BUGFIX] Allow usage of uid in slug generation via Ajax

This commit adds an option to the slug input type which allows it
to use the uid of a record when the update slug button is pressed
in the FormEngine.

Resolves: #89560
Releases: master, 9.5
Change-Id: Id645714f1b26e20e511022d1c74ea793964ffa19
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62170


Reviewed-by: Daniel Sattler <sattler@b13.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Wolfgang Klinger <wolfgang@wazum.com>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>