message: Fix skipping of sparse descriptor sets in vulkan postvs copy
diff: @@ -1587,7 +1587,7 @@ void VulkanReplay::FetchVSOut(uint32_t eventId)
  const DescSetLayout::Binding &bind = origLayout.bindings[b];
  // skip empty bindings
  - if(bind.descriptorCount == 0)
  + if(bind.descriptorCount == 0 || bind.stageFlags == 0)
  continue;
  copy.srcBinding = (uint32_t)b;
  