chore: refactor methods/add FCM Services 3/3 (#12077)

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## **Description**

This is a 3/3 PRs to implement Firebase service into MetaMask. This
needs to merged sequentially following:

[12028](#12028)
[12045](#12045)

## **Related issues**

Fixes:

## **Manual testing steps**

1. Go to this page...
2.
3.

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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## **Pre-merge author checklist**

- [x] I’ve followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I’ve included tests if applicable
- [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [x] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [x] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [x] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

app/selectors/notifications/index.tsx

@@ -1,6 +1,6 @@
 import { createSelector } from 'reselect';
 
-import { TRIGGER_TYPES } from '../../util/notifications';
+import { TRIGGER_TYPES, Notification } from '../../util/notifications';
 
 import { createDeepEqualSelector } from '../util';
 import { RootState } from '../../reducers';
@@ -99,22 +99,22 @@ export const getMetamaskNotificationsUnreadCount = createSelector(
   (notificationServicesControllerState: NotificationServicesState) =>
     (
       notificationServicesControllerState.metamaskNotificationsList ?? []
-    ).filter((notification) => !notification.isRead).length,
+    ).filter((notification: Notification) => !notification.isRead).length,
 );
 export const getMetamaskNotificationsReadCount = createSelector(
   selectNotificationServicesControllerState,
   (notificationServicesControllerState: NotificationServicesState) =>
     (
       notificationServicesControllerState.metamaskNotificationsList ?? []
-    ).filter((notification) => notification.isRead).length,
+    ).filter((notification: Notification) => notification.isRead).length,
 );
 export const getOnChainMetamaskNotificationsUnreadCount = createSelector(
   selectNotificationServicesControllerState,
   (notificationServicesControllerState: NotificationServicesState) =>
     (
       notificationServicesControllerState.metamaskNotificationsList ?? []
     ).filter(
-      (notification) =>
+      (notification: Notification) =>
         !notification.isRead &&
         notification.type !== TRIGGER_TYPES.FEATURES_ANNOUNCEMENT,
     ).length,

app/util/notifications/androidChannels.test.ts

@@ -15,9 +15,9 @@ describe('notificationChannels', () => {
     expect(firstChannel).toEqual({
       id: ChannelId.DEFAULT_NOTIFICATION_CHANNEL_ID,
       name: 'Transaction Complete',
-      lights: false,
-      vibration: false,
-      importance: AndroidImportance.DEFAULT,
+      lights: true,
+      vibration: true,
+      importance: AndroidImportance.HIGH,
       title: 'Transaction',
       subtitle: 'Transaction Complete',
     });
@@ -28,9 +28,9 @@ describe('notificationChannels', () => {
     expect(secondChannel).toEqual({
       id: ChannelId.ANNOUNCEMENT_NOTIFICATION_CHANNEL_ID,
       name: 'MetaMask Announcement',
-      lights: false,
-      vibration: false,
-      importance: AndroidImportance.DEFAULT,
+      lights: true,
+      vibration: true,
+      importance: AndroidImportance.HIGH,
       title: 'Announcement',
       subtitle: 'MetaMask Announcement',
     });

app/util/notifications/androidChannels.ts

@@ -15,18 +15,18 @@ export const notificationChannels = [
   {
     id: ChannelId.DEFAULT_NOTIFICATION_CHANNEL_ID,
     name: 'Transaction Complete',
-    lights: false,
-    vibration: false,
-    importance: AndroidImportance.DEFAULT,
+    lights: true,
+    vibration: true,
+    importance: AndroidImportance.HIGH,
     title: 'Transaction',
     subtitle: 'Transaction Complete',
   } as MetaMaskAndroidChannel,
   {
     id: ChannelId.ANNOUNCEMENT_NOTIFICATION_CHANNEL_ID,
     name: 'MetaMask Announcement',
-    lights: false,
-    vibration: false,
-    importance: AndroidImportance.DEFAULT,
+    lights: true,
+    vibration: true,
+    importance: AndroidImportance.HIGH,
     title: 'Announcement',
     subtitle: 'MetaMask Announcement',
   } as MetaMaskAndroidChannel,

app/util/notifications/methods/common.test.ts

@@ -35,3 +35,5 @@ describe('formatMenuItemDate', () => {
     });
   });
 });
+
+

app/util/notifications/methods/index.ts

@@ -1,2 +1 @@
-export * from './fcmHelper';
 export * from './common';