Fixed a possibly not-updating StepsViewController after reroutes

[kried]

Description

https://mapbox.atlassian.net/browse/NAVIOS-1628

Updates route progress in StepsViewController

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 60.05%. Comparing base (d3321aa) to head (ae71b2e).
Report is 1 commits behind head on lts/v2.

Files with missing lines	Patch %	Lines
Sources/MapboxNavigation/StepsViewController.swift	0.00%	8 Missing ⚠️

@@            Coverage Diff             @@
##           lts/v2    #4716      +/-   ##
==========================================
+ Coverage   60.03%   60.05%   +0.01%     
==========================================
  Files         189      189              
  Lines       21316    21324       +8     
==========================================
+ Hits        12798    12806       +8     
  Misses       8518     8518              

Files with missing lines	Coverage Δ
Sources/MapboxNavigation/StepsViewController.swift	57.45% <0.00%> (-2.09%)	⬇️

... and 2 files with indirect coverage changes