Add a separate layer group in debug UI for elevator edges and vertices

[hjvuor]

Summary

• This PR adds a layer group called Elevators to the debug UI that contains instances of ElevatorVertex and ElevatorHopEdge
• To properly draw ElevatorHopEdges in case their start and end points are not at the same location, this adds a getGeometry method where the geometry is computed from the start and end vertices of the edge.

Issue

This is related to improving indoor navigation #6829

Unit tests

style.json was regenerated by DebugStyleSpecTest.java

Bumping the serialization version id

Minor changes made to both ElevatorHopEdge and ElevatorVertex which requires to bump serialization id

[leonardehrenfried]

Is this still necessary?

[hjvuor]

In case of ElevatorHopEdges, the condition for early return used to happen the line before because they didn't return a geometry. So this is something I had to add as a special case.

[leonardehrenfried]

You can use GeometryUtils.makeLineString here.

[codecov]

Codecov Report

❌ Patch coverage is 78.37838% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.10%. Comparing base (d1ef037) to head (14f0bdb).
⚠️ Report is 3 commits behind head on dev-2.x.

Files with missing lines	Patch %	Lines
...nner/inspector/vector/edge/EdgePropertyMapper.java	0.00%	5 Missing ⚠️
.../inspector/vector/vertex/VertexPropertyMapper.java	0.00%	1 Missing ⚠️
...tripplanner/street/model/edge/ElevatorHopEdge.java	66.66%	1 Missing ⚠️
...ripplanner/street/model/vertex/ElevatorVertex.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             dev-2.x    #6885      +/-   ##
=============================================
- Coverage      72.10%   72.10%   -0.01%     
+ Complexity     19666    19665       -1     
=============================================
  Files           2125     2125              
  Lines          79522    79559      +37     
  Branches        8049     8050       +1     
=============================================
+ Hits           57341    57366      +25     
- Misses         19345    19355      +10     
- Partials        2836     2838       +2     

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[leonardehrenfried]

Fix the formatting please.

[leonardehrenfried]

You need to resolve conflicts.

[optionsome]

These are slightly problematic as they are used for all elevators, but only visible for the horizontal elevators currently since the line has 0 length usually. I was thinking should we rename this so it's more clear that these will only show up for the horizontal elevators or somehow draw them as circles when they have 0 length and as lines when they don't. However, it's also possible that we don't do anything about it now.

[hjvuor]

I somewhat agree but I still think that since we don't do any special filtering for these edges we'd want the name to represent all of them. Then the ui just draws what it can