Support for direct via routing

[optionsome]

Summary

Adds support for direct routing when there are only via locations with coordinates specified in the request. If there are any via locations without coordinates (visit via locations with just stopLocations or pass-through via locations), direct routing is not executed.

This is currently based on #7090

Issue

Relates to #4887

Unit tests

TODO

Documentation

Not needed

Changelog

From title

[codecov]

Codecov Report

❌ Patch coverage is 36.03604% with 142 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.22%. Comparing base (96ca627) to head (12951df).

Files with missing lines	Patch %	Lines
...oradapter/router/street/ViaDirectStreetRouter.java	0.00%	105 Missing ⚠️
.../opentripplanner/routing/impl/GraphPathFinder.java	54.54%	8 Missing and 2 partials ⚠️
...r/routing/algorithm/mapping/ItinerariesHelper.java	12.50%	7 Missing ⚠️
...aptoradapter/router/street/DirectStreetRouter.java	80.00%	3 Missing and 3 partials ⚠️
...src/main/java/org/opentripplanner/astar/AStar.java	0.00%	4 Missing ⚠️
...rg/opentripplanner/visualizer/GraphVisualizer.java	0.00%	3 Missing ⚠️
.../algorithm/mapping/GraphPathToItineraryMapper.java	94.11%	1 Missing and 1 partial ⚠️
...apter/router/street/DirectStreetRouterFactory.java	0.00%	1 Missing and 1 partial ⚠️
...tripplanner/street/search/StreetSearchBuilder.java	0.00%	2 Missing ⚠️
...apter/router/street/DefaultDirectStreetRouter.java	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             dev-2.x    #7105      +/-   ##
=============================================
- Coverage      71.29%   71.22%   -0.08%     
- Complexity     21217    21230      +13     
=============================================
  Files           2365     2368       +3     
  Lines          87770    87884     +114     
  Branches        8686     8689       +3     
=============================================
+ Hits           62574    62591      +17     
- Misses         22183    22280      +97     
  Partials        3013     3013              

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