lists: fixing initLayout error in lively.morphic.List
lists: fixing initLayout error in lively.morphic.List

NikolaySuslov/LivelyKernel,NikolaySuslov/LivelyKernel,pascience/LivelyKernel,pascience/LivelyKernel,NikolaySuslov/LivelyKernel,pascience/LivelyKernel,LivelyKernel/LivelyKernel,LivelyKernel/LivelyKernel,LivelyKernel/LivelyKernel