[BUGFIX] pages.shortcut suggest wizard should not suggest itself

Make it impossible to select the page you are currently
working on within the suggest wizard result set.

Releases: master, 8.7
Resolves: #86412
Related: #54867
Change-Id: Ibeaacf86061f79cc3d75f181466e5caf96657401
Reviewed-on: https://review.typo3.org/58423


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Richard Haeser <richard@maxserv.com>
Reviewed-by: Peter Kraume <peter.kraume@gmx.de>
Tested-by: Peter Kraume <peter.kraume@gmx.de>
Tested-by: Richard Haeser <richard@maxserv.com>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>