[gpu_core] Fixed non-async mode in gpu_thread, seems more stable. Doesn't affect default async mode

src/video_core/gpu_thread.cpp

@@ -88,13 +88,22 @@ void ThreadManager::TickGPU() {
 }
 
 void ThreadManager::InvalidateRegion(DAddr addr, u64 size) {
+    if (!is_async) {
+        PushCommand(InvalidateRegionCommand(addr, size));
+    } else {
         rasterizer->OnCacheInvalidation(addr, size);
     }
+}
 
 void ThreadManager::FlushAndInvalidateRegion(DAddr addr, u64 size) {
+    if (!is_async) {
+        PushCommand(FlushAndInvalidateRegionCommand(addr, size));
+        PushCommand(InvalidateRegionCommand(addr, size));
+    } else {
         // Skip flush on asynch mode, as FlushAndInvalidateRegion is not used for anything too important
         rasterizer->OnCacheInvalidation(addr, size);
     }
+}
 
 u64 ThreadManager::PushCommand(CommandData&& command_data, bool block) {
     if (!is_async) {