message: Image clears should still dirty on vulkan
  * Even though a clear feels like it shouldn't dirty the image, it still means a
  write to the image which we need to be sure to save as initial contents.
diff: @@ -2098,6 +2098,7 @@ void WrappedVulkan::vkCmdClearColorImage(VkCommandBuffer commandBuffer, VkImage
  record->AddChunk(scope.Get());
  record->MarkResourceFrameReferenced(GetResID(image), eFrameRef_PartialWrite);
  record->MarkResourceFrameReferenced(GetRecord(image)->baseResource, eFrameRef_Read);
  + record->cmdInfo->dirtied.insert(GetResID(image));
  if(GetRecord(image)->resInfo)
  record->cmdInfo->sparse.insert(GetRecord(image)->resInfo);
  }
  @@ -2205,6 +2206,7 @@ void WrappedVulkan::vkCmdClearDepthStencilImage(VkCommandBuffer commandBuffer, V
  record->AddChunk(scope.Get());
  record->MarkResourceFrameReferenced(GetResID(image), eFrameRef_PartialWrite);
  record->MarkResourceFrameReferenced(GetRecord(image)->baseResource, eFrameRef_Read);
  + record->cmdInfo->dirtied.insert(GetResID(image));
  if(GetRecord(image)->resInfo)
  record->cmdInfo->sparse.insert(GetRecord(image)->resInfo);
  }
  