Merge pull request #14306 from Putnam3145/supernova

Adds a supernova event, with tweaks to allow this

code/game/gamemodes/bloodsucker/bloodsucker.dm

@@ -87,7 +87,7 @@
 // Init Sunlight (called from datum_bloodsucker.on_gain(), in case game mode isn't even Bloodsucker
 /datum/game_mode/proc/check_start_sunlight()
 	// Already Sunlight (and not about to cancel)
-	if(istype(bloodsucker_sunlight) && !bloodsucker_sunlight.cancel_me)
+	if(istype(bloodsucker_sunlight))
 		return
 	bloodsucker_sunlight = new ()
 
@@ -97,7 +97,6 @@
 	if(!istype(bloodsucker_sunlight))
 		return
 	if(bloodsuckers.len <= 0)
-		bloodsucker_sunlight.cancel_me = TRUE
 		qdel(bloodsucker_sunlight)
 		bloodsucker_sunlight = null