[FOLLOWUP][FEATURE] Collect lost elements and show them separately

Add missing RST file for new feature

Resolves: #67884
Releases: master
Change-Id: I9d7ffa4203cbcec5dac2b5359f418faeaf5462fa
Reviewed-on: https://review.typo3.org/53082


Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>