Refactor web_push_subscription (#6047)

* Remove onSave method in mapped properties for column_settings

* Make web_push_subscription.register an action

app/javascript/mastodon/actions/push_notifications/index.js

@@ -0,0 +1,23 @@
+import {
+  SET_BROWSER_SUPPORT,
+  SET_SUBSCRIPTION,
+  CLEAR_SUBSCRIPTION,
+  SET_ALERTS,
+  setAlerts,
+} from './setter';
+import { register, saveSettings } from './registerer';
+
+export {
+  SET_BROWSER_SUPPORT,
+  SET_SUBSCRIPTION,
+  CLEAR_SUBSCRIPTION,
+  SET_ALERTS,
+  register,
+};
+
+export function changeAlerts(key, value) {
+  return dispatch => {
+    dispatch(setAlerts(key, value));
+    dispatch(saveSettings());
+  };
+}