Fixes newscaster spam when announcements via RCs are made

It was making a new story for each player connected. I didn't catch it during local tests as there was only one player connected (me). My sincerest apologies!

Fixes #3736
Swapped the order of subtitle and header of priority announcements
Merge pull request #3737 from Ikarrus/spamfix

Fixes newscaster spam when announcements via RCs are made