Merge pull request #44109 from neikeq/fix-await-to-signal-many-at-once

C#: Fix multiple awaits to same signal result in connect error

modules/mono/signal_awaiter_utils.cpp

@@ -48,18 +48,10 @@ Error gd_mono_connect_signal_awaiter(Object *p_source, const StringName &p_signa
 }
 
 bool SignalAwaiterCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
+	// Only called if both instances are of type SignalAwaiterCallable. Static cast is safe.
 	const SignalAwaiterCallable *a = static_cast<const SignalAwaiterCallable *>(p_a);
 	const SignalAwaiterCallable *b = static_cast<const SignalAwaiterCallable *>(p_b);
-
-	if (a->target_id != b->target_id) {
-		return false;
-	}
-
-	if (a->signal != b->signal) {
-		return false;
-	}
-
-	return true;
+	return a->awaiter_handle.handle == b->awaiter_handle.handle;
 }
 
 bool SignalAwaiterCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {