message: Remove VK_IMAGE_USAGE_TRANSIENT to fix preparing initial state.
  On some drivers vkCmdCopyImageToBuffer will crash if we sample from
  transient images. The spec also forbids using it with USAGE_SAMPLED_BIT.
diff: @@ -1338,6 +1338,7 @@ bool WrappedVulkan::Serialise_vkCreateImage(SerialiserType &ser, VkDevice device
  // ensure we can always display and copy from/to textures
  CreateInfo.usage |= VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
  VK_IMAGE_USAGE_TRANSFER_DST_BIT;
  + CreateInfo.usage &= ~VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
  // ensure we can cast multisampled images, for copying to arrays
  if((int)CreateInfo.samples > 1)
  @@ -1459,6 +1460,7 @@ VkResult WrappedVulkan::vkCreateImage(VkDevice device, const VkImageCreateInfo *
  if(IsCaptureMode(m_State))
  {
  createInfo_adjusted.usage |= VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
  + createInfo_adjusted.usage &= ~VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
  }
  if(createInfo_adjusted.samples != VK_SAMPLE_COUNT_1_BIT)
  