[Alerting UI] Add e2e testing coverage for alerts filters and alert statuses

[YulNaumenko]

Current x-pack/test/functional_with_es_ssl/apps/triggers_actions_ui/alerts.ts should be extended with UI tests which will cover all use cases for new alerting statuses info, filter and grid column. Should be added missing filtering tests for Alert Type and Action types:

[elasticmachine]

Pinging @elastic/kibana-alerting-services (Team:Alerting Services)