[TASK] Replace orderByRespectTopNews with topNewsFirst in TypoScript setup

Followup: 1eab485 [~TASK] Renaming fields
Change-Id: Id6bc6f707e19507c5d89d0ffaa2375081fb770ef
Reviewed-on: https://review.typo3.org/27952
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer