Add support for encoding GM_Surface/GM_MultiSurface as GeoJson in deegree 3.5

[Kate-Lyndegaard]

I am testing WFS requests for GeoJson output in deegree 3.5.

I have published XPlanung 5.0 data, which contains GM_Surface / GM_MultiSurfaces and when I request GeoJson from the WFS I receive the following error message in the logs:

2023-05-22 13:22:15,907 DEBUG o.d.c.Transformer [http-nio-8080-exec-5] Resulting transform: (0)Forward Matrix-Transform 2023-05-22 13:22:15,910 DEBUG o.d.s.w.f.g.r.GeoJsonGetFeatureHandler [http-nio-8080-exec-5] Closing FeatureResultSet (stream) 2023-05-22 13:22:15,910 DEBUG o.d.s.w.WebFeatureService [http-nio-8080-exec-5] OWS-Exception: Could not export surface Surface as GeoJSON 2023-05-22 13:22:15,910 TRACE o.d.s.w.WebFeatureService [http-nio-8080-exec-5] Could not export surface Surface as GeoJSON java.io.IOException: Could not export surface Surface as GeoJSON

GM_Surface / GM_MultiSurfaces are expected geometry types in XPlanung, so this would be helpful.