[TASK] Add missing documentation for 10.2 release

Some change log entries should be documented in extension manuals
or in ViewHelpers. The missing docs have been added.

Resolves: #89827
Releases: master
Change-Id: I6c76dc2d532b151275c60e85feb44f227ca80919
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62515


Tested-by: Daniel Siepmann <coding@daniel-siepmann.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Daniel Siepmann <coding@daniel-siepmann.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>