Input is: 
[test.json.gz](https://github.com/LibreDWG/libredwg/files/11471899/test.json.gz)

The command is ```dwgwrite test.json```
In a result are some entities in the extra entities section, which are not in the original JSON/DWG file.
Wrong encoding of POLYLINE in preR13 from JSON to DWG
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : Wrong encoding of POLYLINE in preR13 from JSON to DWG
Issue date:

--- start body ---
Input is: 
[test.json.gz](https://github.com/LibreDWG/libredwg/files/11471899/test.json.gz)

The command is ```dwgwrite test.json```
In a result are some entities in the extra entities section, which are not in the original JSON/DWG file.
--- end body ---
