[BUGFIX] Not include defer files to concatenateJs

Deferred files should not be concatenated. They are now
output as a single script.

Resolves: #90208
Releases: master, 9.5
Change-Id: I17c84b41acd445db6ee261bade69fddd32ca7380
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63040


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Susanne Moog <look@susi.dev>
Reviewed-by: Ghanshyam Bhava <ghanshyambhava@yahoo.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Susanne Moog <look@susi.dev>