message: Add missing call to CombineDepthStencilLayouts
  * We need to always do this when submitting possibly split depth/stencil
  implicit transitions, in case the split transitions were actually from the
  same layout and use a combined depth/stencil layout.
diff: @@ -1087,8 +1087,13 @@ bool WrappedVulkan::Serialise_vkEndCommandBuffer(SerialiserType &ser, VkCommandB
  }
  if(!revertBarriers.empty())
  + {
  + if(SeparateDepthStencil())
  + CombineDepthStencilLayouts(revertBarriers);
  +
  DoPipelineBarrier(commandBuffer, revertBarriers.size(), revertBarriers.data());
  }
  + }
  // also finish any nested markers we truncated and didn't finish
  if(ObjDisp(commandBuffer)->CmdDebugMarkerEndEXT)
  