[BUGFIX] Wrong email list in linkvalidator task

The validator task of the linkvalidator scheduler task sets
the validated email addresses now instead of the raw user input.

Resolves: #55922
Releases: 6.2, 6.1, 6.0, 4.7, 4.5
Change-Id: Id1a93de455decd7a223ef271499679628892e4c4
Reviewed-on: https://review.typo3.org/27580
Reviewed-by: Online Now! GmbH
Tested-by: Online Now! GmbH
Reviewed-by: Stefan Neufeind
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer