dataset.add_layer_as_copy does not copy view configuration #1345
Description
Context
Affected library: webknossos
when copying a layer its view configuration is discarded
Expected Behavior
when copying a layer its view configuration should be copied as well
Current Behavior
view configuration is discarded
Steps to Reproduce the bug
src_layer.default_view_configuration = some_configuration
dst_layer = dst_dataset.add_layer_as_copy(src_layer)
dst_layer.default_view_configuration is None