[BUGFIX] Convert page UID to proper link syntax in LinkBrowser

If the pageIdSelector feature is enabled for the RTE
the entered page UID needs to be formatted with correct
link syntax.

Resolves: #82942
Releases: master, 9.5
Change-Id: I93bc583ba279d0bde549582388791fc48150d933
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64064


Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Josef Glatz <josefglatz@gmail.com>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>