feat: mtrigger retrieval commands

[tricksurf]

Added commands:

• sar_get_mtriggers <rank=wr> - Allows the retrieval of mtriggers on the current map, with a variable to change which rank's mtriggers you receive. If no rank is given, it is assumed you want to retrieve WR.
• sar_get_mtriggers_map <map=current> <rank=wr> - Allows the retrieval of mtriggers on any map, with variable to change map and which rank's mtriggers you receive. If no rank is given, it is assumed you want to retrieve WR. If no map OR rank is given, it is assumed current map and WR.

[JaioCG]

Suggestion: rename to sarspeedrun... to be more consistent with other time retrieval commands (sar_speedrun_result, basically)