Log message flood the CI

[ponceta]

Describe the bug

Mapping of wastewater_structure->abwasserbauwerk is not fully implemented.
QGEP field special_structure.upper_elevation has no equivalent in the interlis model. It will be ignored.
[repeated 11298 times]

Could not find value `None` in value list "qgep_vl.manhole_material". Setting to None instead.
Could not find value `None` in value list "qgep_vl.manhole_material". Setting to None instead.
.................................................[repeated 48 times]
[repeated 48 times]

To Reproduce
Exact steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots / data
If applicable, add screenshots or data to help explain your problem.

Desktop (please complete the following information):

• QGEP plugin version
• QGEP datamodel version
• QGEP project file version
• QGIS Version
• OS

Additional context
Add any other context about the problem here.

[sjib]

This message only gives hints that 3D is not fully implemented. Could also be set to debug mode.

[sjib]

see also #115

[sjib]

Solved with #171