[TASK] Move classAliasMaps into compatibility6 extension part 6

The classAliasMaps in all the extension starting from extension manager
to workspace have being moved into compatibility6 extension.

Resolves: #62990
Related: #62013
Releases: master
Change-Id: If057396eae493e7345c31d2e7f7da6061f1a6e81
Reviewed-on: http://review.typo3.org/34238
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>