Fix crash due to "keep source active" setting

lib/utils/source-helpers.cpp

@@ -172,11 +172,12 @@ void SourceActiveKeeper::SetActive(bool active)
 	if (_active == active) {
 		return;
 	}
-	_active = active;
-	if (_active) {
+	if (active) {
+		_active = true;
 		AcquireRef();
 	} else {
 		ReleaseRef();
+		_active = false;
 	}
 }
 

plugins/video/macro-condition-video.cpp

@@ -124,6 +124,10 @@ void MacroConditionVideo::UpdateActiveKeeper()
 	if (_video.type == VideoInput::Type::OBS_MAIN_OUTPUT) {
 		return;
 	}
+	if (!_keepActive) {
+		_lastActiveKeeperSource = nullptr;
+		return;
+	}
 	auto videoSource = _video.GetVideo();
 	if (videoSource == _lastActiveKeeperSource) {
 		return;