Fix reference to Navigation.mlx from NavigationOverview.mlx

Author: eszmw

HelperFunctions/OpenOverview.m

@@ -2,7 +2,7 @@
 % Open the overview file
 locDir = pwd;
 if contains(locDir,filesep+"MATLAB Drive")
- open("NavigationOverview.mlx")
+ open("Navigation.mlx")
 else
  open("Overview.html")
 end