[DOCS] Resolve warnings in System extensions manuals

Includes changed links, missing images, wrong path's in includes etc.
Excluded EXT:form as resolving the warnings is a large TASK there.

Releases: main, 11.5
Resolves: #96345
Change-Id: I05d73d7fa211bbf9308a3c7a2161b1b5184d7b31
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72640


Tested-by: core-ci <typo3@b13.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Lina Wolf <112@linawolf.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Lina Wolf <112@linawolf.de>