fix(PredictionsChannel): filter out past predictions (#2229) #5295

Job	Run time
Build Docker image	7m 13s
file_changes	6s
Build application and assets	6m 35s
Linting / CSS	25s
Linting / TypeScript	46s
Linting / JavaScript	22s
Linting / Elixir	0s
Unit tests / JavaScript / Mocha	45s
Unit tests / JavaScript & TypeScript / Jest	2m 17s
Type checks / Elixir	3m 47s
Type checks / TypeScript	40s
Formatting / Elixir	3m 6s
Formatting / JavaScript & TypeScript	38s
Unit tests / Elixir / mix coveralls.html	58s
	27m 38s

Provide feedback