Saves the current Activity being edited.
You would want to use this method so that you can programatically save the Activity being edited with your own save button in your application, for example.
var hasSaved = authorApp.saveActivity(); console.log(hasSaved);
true if successful.
false if unable to save the Activity. For example, when not in the Activity edit view or no changes were made to the Activity.
The Activity to be saved is not persisted in the Item bank if
config.activity_edit.save.persist option is