[BUGFIX] Hide deactivated options in CKEditor5 style dropdown

Adapt to the user expection for a style selector to only show
applicable styles. The list becomes overwhelming in case a lot of
specific styles (like table formatting) are shown for unrelated
elements.

Resolves: #99673
Related: #101627
Releases: main, 12.4
Change-Id: I482935e91c863b601676b078fab0e9ba3acd62fa
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81269


Tested-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>