Don't show Arrival time in BusPage if not available
For example bus reservations with ktel-thesprotias don't have an arrival time, just a start time.
Tested on release/23.04 branch, but hopefully should work the same on master.
For example bus reservations with ktel-thesprotias don't have an arrival time, just a start time.
Tested on release/23.04 branch, but hopefully should work the same on master.