Fix Import DWG worker
KernelIO has to be initialized with its library Path. This path is known relative to the engine folder.
So this path has to be send to the worker.
#rb jeanluc.corenthin
#lockdown nick.penwarden
#ROBOMERGE-SOURCE: CL 10307237 in //UE4/Release-4.24/...
#ROBOMERGE-BOT: RELEASE (Release-4.24 -> Main) (v593-10286020)
[CL 10307239 by david lesage in Main branch]