[FEATURE] Make sys_language records sortable.

To improve the usability, the sys_language records are now sortable.

Resolves: #77652
Releases: master
Change-Id: I4225da82a172175b36a04772d9eacf0a8fc863f4
Reviewed-on: https://review.typo3.org/49610


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Philipp Gampe <philipp.gampe@typo3.org>
Tested-by: Philipp Gampe <philipp.gampe@typo3.org>
Reviewed-by: Andreas Wolf <andreas.wolf@typo3.org>
Tested-by: Andreas Wolf <andreas.wolf@typo3.org>