[TASK] Add rowDescription for fe_users

Add a description field also for fe_users records which
could be used as for already known other record types.

Resolves: #79894
Releases: master
Change-Id: Ia1d7ad7746a0b7dd3ebb809864e290db97ac228d
Reviewed-on: https://review.typo3.org/51745


Tested-by: TYPO3com <no-reply@typo3.com>
Tested-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Thomas Hohn <thomas@hohn.dk>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>