if I try load dxf different versions, I get 0 for on, locked, plotflag for all layer 
[layersdxf.zip](https://github.com/LibreDWG/libredwg/files/9228210/layersdxf.zip)

Wrong layers properties after dxf loading
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : Wrong layers properties after dxf loading
Issue date:

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if I try load dxf different versions, I get 0 for on, locked, plotflag for all layer 
[layersdxf.zip](https://github.com/LibreDWG/libredwg/files/9228210/layersdxf.zip)

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