* add the choice to not import all dxf layers
this is especially useful for ignoring layers in drawings containing note text or dimensions
* remove a blank line
* Rework layer exclusion in dxf import
* add dxf for layer tests
* add tests for dxf import layer filtering and extrusion
fix edges/wires mixup
remove extra `)`
fix var name typo
fix lint
Co-authored-by: Adam Urbańczyk <adam-urbanczyk@users.noreply.github.com>
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