Improvements and fixes for push notifications (#11507)

* Strip markdown from push notifications

* Revert "Strip markdown from push notifications"

This reverts commit 4741e584c6.

* correctly set type for mention push notifications

* Add unformattedText field to chat messages

* fiix lint errors

* Add check that markdown formatting is stripped from messages

* Add check for markdown formatting in messages.

test/api/unit/models/group.test.js

@@ -1317,7 +1317,7 @@ describe('Group Model', () => {
 
       it('formats message', () => {
         const chatMessage = party.sendChat({
-          message: 'a new message',
+          message: 'a _new_ message with *markdown*',
           user: {
             _id: 'user-id',
             profile: { name: 'user name' },
@@ -1336,7 +1336,8 @@ describe('Group Model', () => {
 
         const chat = chatMessage;
 
-        expect(chat.text).to.eql('a new message');
+        expect(chat.text).to.eql('a _new_ message with *markdown*');
+        expect(chat.unformattedText).to.eql('a new message with markdown');
         expect(validator.isUUID(chat.id)).to.eql(true);
         expect(chat.timestamp).to.be.a('date');
         expect(chat.likes).to.eql({});

test/api/v3/integration/members/POST-send_private_message.test.js

@@ -6,7 +6,8 @@ import {
 
 describe('POST /members/send-private-message', () => {
   let userToSendMessage;
-  const messageToSend = 'Test Private Message';
+  const messageToSend = 'Test *Private* Message';
+  const unformattedMessage = 'Test Private Message';
 
   beforeEach(async () => {
     userToSendMessage = await generateUser();
@@ -110,7 +111,9 @@ describe('POST /members/send-private-message', () => {
 
     const sendersMessageInReceiversInbox = _.find(
       updatedReceiver.inbox.messages,
-      message => message.uuid === userToSendMessage._id && message.text === messageToSend,
+      message => message.uuid === userToSendMessage._id
+        && message.text === messageToSend
+        && message.unformattedText === unformattedMessage,
     );
 
     const sendersMessageInSendersInbox = _.find(