Fix Broadcast Settings mode switching for rtl locales
Add StringList::Join utility
Refactor status bar output status handling
Separate Replay Buffer from normal file recording
Add date/time replacement for save path

Also OBS will now automatically create directories when needed
Add separate setting for Replay Buffer File Path
Add Record from Replay Buffer

This basically saves the current replay buffer and continues recording
to the saved file. The recording uses the standard file path.