Core: Load custom textures after inputs has been loaded and avoid sending force texture reload during startup for dynamic textures. This ensures that custom texture loading only happens once and users don't see any weird flashes on startup

Source/Core/Core/Core.cpp

@@ -79,6 +79,7 @@
 
 #include "VideoCommon/AsyncRequests.h"
 #include "VideoCommon/Fifo.h"
+#include "VideoCommon/HiresTextures.h"
 #include "VideoCommon/OnScreenDisplay.h"
 #include "VideoCommon/RenderBase.h"
 #include "VideoCommon/VideoBackendBase.h"
@@ -542,6 +543,10 @@ static void EmuThread(std::unique_ptr<BootParameters> boot, WindowSystemInfo wsi
     return;
   }
 
+  // Inputs loading may have generated custom dynamic textures
+  // it's now ok to initialize any custom textures
+  HiresTexture::Update();
+
   AudioCommon::InitSoundStream();
   Common::ScopeGuard audio_guard{&AudioCommon::ShutdownSoundStream};