[TASK] Localized labels for EM options

Make all system extensions use localized labels for their
configuration options, to make the TYPO3 BE better
translatable.

Resolves: #57203
Releases: 6.2
Change-Id: I6dcbfc6477ba32037595dbef20d630f6294dde0b
Reviewed-on: https://review.typo3.org/28664
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers
Reviewed-by: Francois Suter
Tested-by: Francois Suter