[TASK] Deprecate a couple of ContentObjectRenderer properties

ContentObjectRenderer has a couple of non-critical and
mostly unused public properties. Those can be deprecated
without much impact.

Resolves: #94958
Releases: master
Change-Id: I8b79660944f2fd9f2a5df1b3a73a0d6894f88127
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70720


Tested-by: core-ci <typo3@b13.com>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Benni Mack <benni@typo3.org>