Netex: check and use gml:pos tag if Latitude and Longitude doesn't exists

[cambio-deca]

Summary

The coordinate mapper assume that is used Latitude and Longitude tag, but these tags can use replaced by gml:pos tag (used in some Netex italian files).

Unit tests

Created a unit test handleCoordinateWithGmlPosition in WgsCoordinateMapperTest.
Tested with italian Netex files.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.69%. Comparing base (5da2268) to head (7601060).
⚠️ Report is 5915 commits behind head on dev-2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##             dev-2.x    #5697   +/-   ##
==========================================
  Coverage      67.69%   67.69%           
- Complexity     16369    16374    +5     
==========================================
  Files           1890     1890           
  Lines          71812    71817    +5     
  Branches        7407     7409    +2     
==========================================
+ Hits           48611    48617    +6     
  Misses         20693    20693           
+ Partials        2508     2507    -1     

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[vpaturet]

The Javadoc for the mapToDomain method is obsolete, this PR gives a good opportunity to update it.

• You can explain here that we need to convert from the LON/LAT convention in GML to the LAT/LON convention in WGS since this is a usual source of bug/confusion.
• You can also describe here the fallback logic you implemented.

[cambio-deca]

@giuseppesaraceno can you update the doc?

[t2gran]

I looked at this as well, looks good - but I will let someone from another organization take the second review. (@vpaturet and I are both from Entur).

[leonardehrenfried]

I have converted this to a draft. Please convert it back to a Pull Request when you have updated the Javadoc.