qt: persist framerate sync option

src/yuzu/configuration/config.cpp

@@ -754,6 +754,7 @@ void Config::ReadRendererValues() {
     ReadGlobalSetting(Settings::values.use_fast_gpu_time);
     ReadGlobalSetting(Settings::values.use_vulkan_driver_pipeline_cache);
     ReadGlobalSetting(Settings::values.enable_compute_pipelines);
+    ReadGlobalSetting(Settings::values.use_video_framerate);
     ReadGlobalSetting(Settings::values.bg_red);
     ReadGlobalSetting(Settings::values.bg_green);
     ReadGlobalSetting(Settings::values.bg_blue);
@@ -1409,6 +1410,7 @@ void Config::SaveRendererValues() {
     WriteGlobalSetting(Settings::values.use_fast_gpu_time);
     WriteGlobalSetting(Settings::values.use_vulkan_driver_pipeline_cache);
     WriteGlobalSetting(Settings::values.enable_compute_pipelines);
+    WriteGlobalSetting(Settings::values.use_video_framerate);
     WriteGlobalSetting(Settings::values.bg_red);
     WriteGlobalSetting(Settings::values.bg_green);
     WriteGlobalSetting(Settings::values.bg_blue);