Use transit model time zone in debug UI

[leonardehrenfried]

Summary

Reads the transit model time zone from the server and uses it to format times in the debug UI. For this to work, I exposed the transit model time zone on the server info REST endpoint.

I added a few messages to the UI that tells you the time zone being used:

This PR also combines the date and time input into a single date-time one which makes it much easier to convert between the local and zoned date time. The combined input looks like this:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.81%. Comparing base (c022422) to head (60b7383).
Report is 18 commits behind head on dev-2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##             dev-2.x    #6087   +/-   ##
==========================================
  Coverage      69.81%   69.81%           
  Complexity     17418    17418           
==========================================
  Files           1974     1974           
  Lines          74537    74545    +8     
  Branches        7633     7633           
==========================================
+ Hits           52040    52047    +7     
- Misses         19847    19848    +1     
  Partials        2650     2650           

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[testower]

Will this work for those folks who have the REST api turned off?

[leonardehrenfried]

Will this work for those folks who have the REST api turned off?

This is a different feature flag:

OpenTripPlanner/src/main/java/org/opentripplanner/framework/application/OTPFeature.java

Line 18 in 39e2ab6

APIServerInfo(true, false, "Enable the server info endpoint."),

[leonardehrenfried]

@testower This is now using GraphQL to fetch the time zone.

[t2gran]

I looked at the Java Code changes, and they looks ok - so this can be merged, one review on the Debug UI is enough for this.

[leonardehrenfried]

I'm going to use my admin rights to merge this even though the formal requirements are not met - @t2gran's changes cancelled @testower's approval.