throw_at() will not quickstart a throw if the throw was triggered fro…

…m the same stack as SSthrowing/fire() (#56004)

throw_at will not quickstart a throw if the throw was triggered from the same stack as SSthrowing/fire()

Infinite throwing loops are fine, as long as they don't loop at the stack level.

code/game/atoms_movable.dm

@@ -737,7 +737,8 @@
 
 	if(pulledby)
 		pulledby.stop_pulling()
-
+	if (quickstart && (throwing || SSthrowing.state == SS_RUNNING)) //Avoid stack overflow edgecases.
+		quickstart = FALSE
 	throwing = TT
 	if(spin)
 		SpinAnimation(5, 1)