UI: Save virtual camera outside of the modules object

Save the configuration outside of the modules object meant for plugins
in the scene collection.

UI/window-basic-main.cpp

@@ -729,6 +729,8 @@ void OBSBasic::Save(const char *file)
 	obs_data_set_double(saveData, "scaling_off_y",
 			    ui->preview->GetScrollY());
 
+	OBSBasicVCamConfig::SaveData(saveData, true);
+
 	if (api) {
 		OBSDataAutoRelease moduleObj = obs_data_create();
 		api->on_save(moduleObj);
@@ -1141,6 +1143,8 @@ retryScene:
 	ui->preview->SetFixedScaling(fixedScaling);
 	emit ui->preview->DisplayResized();
 
+	OBSBasicVCamConfig::SaveData(data, false);
+
 	/* ---------------------- */
 
 	if (api)

UI/window-basic-vcam-config.cpp

@@ -133,7 +133,7 @@ void OBSBasicVCamConfig::Save()
 		UpdateOutputSource();
 }
 
-static void SaveCallback(obs_data_t *data, bool saving, void *)
+void OBSBasicVCamConfig::SaveData(obs_data_t *data, bool saving)
 {
 	if (saving) {
 		OBSDataAutoRelease obj = obs_data_create();
@@ -189,7 +189,6 @@ void OBSBasicVCamConfig::Init()
 
 	vCamConfig = &staticConfig;
 
-	obs_frontend_add_save_callback(SaveCallback, nullptr);
 	obs_frontend_add_event_callback(EventCallback, nullptr);
 }
 

UI/window-basic-vcam-config.hpp

@@ -17,6 +17,7 @@ public:
 	static void DestroyView();
 
 	static void UpdateOutputSource();
+	static void SaveData(obs_data_t *data, bool saving);
 
 	explicit OBSBasicVCamConfig(QWidget *parent = 0);