[BUGFIX] Fix missing labels in clipboard

The clipboard was missing two description labels, which would normally
be shown when hovering over a link.

Resolves: #90473
Releases: master, 9.5
Change-Id: I1d3224e9f866f7aa0455fab557846b7bc6e456e6
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63356


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>