Refactor to only allow one coordinate outside of raptor

[optionsome]

Summary

This is a small refactoring to simplify the internal model of visit via locations to explicitly only allow one coordinate as the APIs don't support multiple coordinates.

Issue

Related to #4887

Unit tests

Updated tests.

Documentation

Not updated

Changelog

Skipped

[codecov]

Codecov Report

❌ Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 72.12%. Comparing base (9aa668b) to head (3809146).
⚠️ Report is 1 commits behind head on dev-2.x.

Files with missing lines	Patch %	Lines
...uting/algorithm/mapping/ViaLocationTypeMapper.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             dev-2.x    #7152   +/-   ##
==========================================
  Coverage      72.12%   72.12%           
- Complexity     20837    20838    +1     
==========================================
  Files           2268     2268           
  Lines          84338    84335    -3     
  Branches        8415     8415           
==========================================
- Hits           60827    60826    -1     
+ Misses         20538    20536    -2     
  Partials        2973     2973           

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