[Web + Doc-Updater] Add track changes accepted notification (#32752)

* feat: update doc manager to return a list of contributors to the accepted change

* feat: add new notification type for accepting a tracked change

* update email with tracked changes accepted

* feat: update tests

* fix: feedback on consistent api and returns

* feat: adding new tests

* feat: self accepted changes shouldnt trigger notification, and using existing changesAccepted hook

* Add better subject and activity list for track change accepted (#33094)

* feat: add better activity list entry and subject header for accepted changes, to match other notifications

* feat: updating tests

* feat: updating accepting_user_id to just user_id

* fix: adding users in emailBuilder test to userCache

GitOrigin-RevId: 6114f77916b5f503b7bbbb5ca8fed99e58edc31b

services/document-updater/test/unit/js/HttpController/HttpControllerTests.js

@@ -14,6 +14,7 @@ describe('HttpController', function () {
       send: sinon.stub(),
       sendStatus: sinon.stub(),
       json: sinon.stub(),
+      status: sinon.stub().returnsThis(),
     }
 
     this.DocumentManager = {
@@ -753,6 +754,10 @@ describe('HttpController', function () {
 
     describe('successfully with a single change', function () {
       beforeEach(async function () {
+        this.changeContributors = ['user-id-1', 'user-id-2']
+        this.DocumentManager.promises.acceptChangesWithLock.resolves(
+          this.changeContributors
+        )
         await this.HttpController.acceptChanges(this.req, this.res, this.next)
       })
 
@@ -764,8 +769,11 @@ describe('HttpController', function () {
         )
       })
 
-      it('should return a successful No Content response', function () {
-        this.res.sendStatus.calledWith(204).should.equal(true)
+      it('should return a successful 200 with a list of the change contributors', function () {
+        this.res.status.should.have.been.calledWith(200)
+        this.res.json.should.have.been.calledWith({
+          changeContributors: this.changeContributors,
+        })
       })
 
       it('should log the request', function () {