shader: Adhere to disk shader cache setting

src/yuzu/bootmanager.cpp

@@ -64,12 +64,13 @@ void EmuThread::run() {
 
     emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
 
+    if (Settings::values.use_disk_shader_cache.GetValue()) {
         system.Renderer().ReadRasterizer()->LoadDiskResources(
             system.CurrentProcess()->GetTitleID(), stop_token,
             [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
                 emit LoadProgress(stage, value, total);
             });
-
+    }
     emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
 
     gpu.ReleaseContext();

src/yuzu_cmd/yuzu.cpp

@@ -218,9 +218,11 @@ int main(int argc, char** argv) {
     // Core is loaded, start the GPU (makes the GPU contexts current to this thread)
     system.GPU().Start();
 
+    if (Settings::values.use_disk_shader_cache.GetValue()) {
         system.Renderer().ReadRasterizer()->LoadDiskResources(
             system.CurrentProcess()->GetTitleID(), std::stop_token{},
             [](VideoCore::LoadCallbackStage, size_t value, size_t total) {});
+    }
 
     void(system.Run());
     while (emu_window->IsOpen()) {