[BUGFIX] Recursive INCLUDE_TYPOSCRIPT with extensions

If files are used given like `news.setup.typoscript`
and the TypoScript inclusion is used with
`extension="setup.typoscript"`, the proper files
must be allowed.

Resolves: #100763
Related: #97816
Releases: main
Change-Id: If161821d97bece80f272f6a3d94934e6d712024f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78878


Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>