I think you misunderstood the API (or wrongly guessed its purpose). MainView.actions is a list of actions globally available in the app, originally incepted for the HUD. If you want actions to show in the header, you actually need to use Page.head.actions.
I think you misunderstood the API (or wrongly guessed its purpose). MainView.actions is a list of actions globally available in the app, originally incepted for the HUD. If you want actions to show in the header, you actually need to use Page.head.actions.