[BUGFIX] Quote entity name for regex in ExtensionManagementUtility

Due to changes in #98960 the resolved entity name
might contain slashes, which need to be quoted to
prevent PHP warnings.

Resolves: #99023
Related: #98960
Releases: main, 11.5
Change-Id: I75eecbdbbddc82b5b1189388413fabd7370d4229
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76488


Tested-by: core-ci <typo3@b13.com>
Tested-by: Dmitry Dulepov <9csxfqr4jy@liamekaens.com>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Dmitry Dulepov <9csxfqr4jy@liamekaens.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>