No more fallen to death in god mode

src/main/java/emu/grasscutter/server/packet/recv/HandlerCombatInvocationsNotify.java

@@ -77,6 +77,9 @@ public class HandlerCombatInvocationsNotify extends PacketHandler {
 	}
 
 	private void handleFallOnGround(GameSession session, GameEntity entity, MotionState motionState) {
+		if (session.getPlayer().inGodmode()) {
+			return;
+		}
 		// People have reported that after plunge attack (client sends a FIGHT instead of FALL_ON_GROUND) they will die
 		// 		if they talk to an NPC (this is when the client sends a FALL_ON_GROUND) without jumping again.
 		// A dirty patch: if not received immediately after MOTION_LAND_SPEED, discard this packet.