D3D12: Possible fix for non-resident texture crashes

Author: praydog

src/mods/vr/D3D12Component.cpp

@@ -263,6 +263,8 @@ vr::EVRCompositorError D3D12Component::on_frame(VR* vr) {
                 ffsr->set_should_recreate_textures(true);
             }
         }
+    } else {
+        m_game_ui_tex.reset(); // Probably fixes non-resident errors.
     }
 
     const float clear_color[] = { 0.0f, 0.0f, 0.0f, 0.0f };

src/mods/vr/FFakeStereoRenderingHook.cpp

@@ -6835,6 +6835,7 @@ void VRRenderTargetManager_Base::texture_hook_callback(safetyhook::Context& ctx,
     if (!rtm->allocate_texture_called) {
         g_hook->set_should_recreate_textures(true);
         rtm->render_target = nullptr;
+        rtm->ui_target = nullptr;
         rtm->texture_hook_ref = nullptr;
 
         SPDLOG_INFO("[Post texture hook] Allocate texture was not called, skipping...");