message: Fixed another potential issue in ~DeviceContextVkImpl()
diff: @@ -132,10 +132,12 @@ namespace Diligent
  // There should be no outstanding commands, but we need to call Flush to discard all stale
  // context resources to actually destroy them in the next call to ReleaseStaleContextResources()
  Flush();
  - // We must now wait for GPU to finish so that we can safely destroy all context resources
  - pDeviceVkImpl->IdleGPU(true);
  }
  + // We must now wait for GPU to finish so that we can safely destroy all context resources.
  + // We need to idle when destroying deferred contexts as well since some resources may still be in use.
  + pDeviceVkImpl->IdleGPU(true);
  +
  DisposeCurrentCmdBuffer(pDeviceVkImpl->GetNextFenceValue());
  // There must be no resources in the stale resource list. For immediate context, all stale resources must have been
  