cleanup(Live.TripPlanner): inputs UI polish #5550

Job	Run time
Build Docker image	6m 55s
Build application and assets	6m 3s
file_changes	4s
Linting / TypeScript	3m 40s
Linting / Elixir	4m 8s
Formatting / JavaScript & TypeScript	3m 35s
Formatting / Elixir	3m 48s
Unit tests / JavaScript / Mocha	3m 37s
Unit tests / JavaScript & TypeScript / Jest	5m 12s
Linting / JavaScript	3m 38s
Linting / CSS	3m 45s
Type checks / Elixir	6m 38s
Type checks / TypeScript	3m 42s
Unit tests / Elixir / mix coveralls.html	57s
	55m 42s

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