Clicking on a train that's on a branch line should zoom in on the branch

[rudiejd]

Right now, clicking on a train on a branch displays all of the branch stations, but they render under the map, making the display cluttered. We should instead zoom into the branch

[rudiejd]

This would fix the visual bug of collisions between stations names from lack of spacing between lines on the GL

[github-actions]

This issue has been automatically marked as stale because it has not had activity within 180 days.