[FEATURE] Implement endInsertObject signal after object is registered

By implementing a new signal when a newly persisted object is
registered in the persistence session, it is possible to manipulate
and persist the object using the repository update method.

Change-Id: Icd4da1b55ce0ea3546ec8aa46240da54afefa960
Resolves: #63100
Releases: master
Reviewed-on: http://review.typo3.org/34395
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>