feat: Show "Depart at" buttons and show the correct itinerary on click #5351

Job	Run time
Build Docker image	7m 25s
Build application and assets	7m 12s
file_changes	5s
Linting / JavaScript	34s
Linting / TypeScript	45s
Linting / Elixir	3m 56s
Linting / CSS	23s
Formatting / Elixir	3m 14s
Unit tests / JavaScript / Mocha	40s
Unit tests / JavaScript & TypeScript / Jest	2m 16s
Type checks / Elixir	4m 9s
Type checks / TypeScript	40s
Formatting / JavaScript & TypeScript	28s
Unit tests / Elixir / mix coveralls.html	54s
	32m 41s

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