No longer overwrite image usage flags passed via arguments, ensure that transfer dest flag is set for staged textures
No longer overwrite image usage flags passed via arguments, ensure that transfer dest flag is set for staged textures

ming4883/Vulkan,jpbruyere/Vulkan,martty/Vulkan,grim210/Vulkan,ming4883/Vulkan,jpbruyere/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,ming4883/Vulkan,dreadwords/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,grim210/Vulkan