Fix station name comparison for unbound train tickets

This addresses the duplication seen in the screenshots in issue #29.
2 jobs for release/21.04 in 9 minutes and 16 seconds (queued for 26 minutes and 54 seconds)
Status Name Job ID Coverage
  Build
passed build_clazy_clang_tidy #109283

00:08:44

 
  Test
passed reuse #109284

00:00:31