Temporarily restore debug layers to classic debug UI and change grouping of safety layers in the new one

[optionsome]

Summary

Fixes debug layers in the classic debug UI temporarily because Digitransit has some instructions for people who update OSM that need to be updated to include the new debug client.

Safety layers in the new debug client are now grouped for walk and bicycle safety.

Issue

No issue

Unit tests

No tests

Documentation

Not updated

Changelog

Maybe

[codecov]

Codecov Report

Attention: Patch coverage is 43.24324% with 21 lines in your changes missing coverage. Please review.

Project coverage is 70.18%. Comparing base (04fadbf) to head (5d1b036).
Report is 9 commits behind head on dev-2.x.

Files with missing lines	Patch %	Lines
...debugrastertiles/api/resource/DebugLayersList.java	0.00%	12 Missing ⚠️
...r/ext/debugrastertiles/BikeSafetyEdgeRenderer.java	0.00%	1 Missing ⚠️
...r/ext/debugrastertiles/EdgeVertexTileRenderer.java	0.00%	1 Missing ⚠️
...er/ext/debugrastertiles/ElevationEdgeRenderer.java	0.00%	1 Missing ⚠️
...xt/debugrastertiles/NoThruTrafficEdgeRenderer.java	0.00%	1 Missing ⚠️
...nner/ext/debugrastertiles/TileRendererManager.java	0.00%	1 Missing ⚠️
...grastertiles/TraversalPermissionsEdgeRenderer.java	0.00%	1 Missing ⚠️
...r/ext/debugrastertiles/WalkSafetyEdgeRenderer.java	0.00%	1 Missing ⚠️
...r/ext/debugrastertiles/WheelchairEdgeRenderer.java	0.00%	1 Missing ⚠️
...tertiles/api/resource/DebugRasterTileResource.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             dev-2.x    #6497      +/-   ##
=============================================
- Coverage      70.20%   70.18%   -0.02%     
+ Complexity     18313    18312       -1     
=============================================
  Files           2080     2081       +1     
  Lines          77182    77205      +23     
  Branches        7831     7832       +1     
=============================================
+ Hits           54183    54184       +1     
- Misses         20230    20251      +21     
- Partials        2769     2770       +1     

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[tkalvas]

gets all layers, not names