[FEATURE] Option to skip URL processing in AssetRenderer

A new option `external` is added to the `AssetCollector` API,
which prompts `AssetRenderer` to skip any processing of the
supplied asset URI.

Resolves: #102255
Releases: main
Change-Id: I6016f814af0b0ef92a172eb0538fe949affce6cc
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/86035


Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>