provide correct courseId prop type

flag=none

test plan:
  - specs pass

qa risk: low

Change-Id: I849d3309893b96d2c79b280af6d23718d3e4faff
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/274042
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Omar Soto-Fortuño <omar.soto@instructure.com>
QA-Review: Omar Soto-Fortuño <omar.soto@instructure.com>
Product-Review: Omar Soto-Fortuño <omar.soto@instructure.com>

jest/jest-setup.js

@@ -63,7 +63,6 @@ const ignoredErrors = [
   /Invalid prop `children` of type `array` supplied to `Transition`/,
   /Invalid prop `children` supplied to `(Option|View)`/,
   /Invalid prop `conversation._id` of type `number` supplied to `ComposeModalManager`/,
-  /Invalid prop `courseId` of type `number` supplied to `(DirectShareUserModal|K5Announcement)`/,
   /Invalid prop `currentFolder` of type `Object` supplied to `FilePreview`/,
   /Invalid prop `currentUserId` of type `number` supplied to `AddStudentModal`/,
   /Invalid prop `editorOptions.plugins` of type `string` supplied to `(ForwardRef|RCEWrapper)`/,

ui/features/discussion_topics_post/react/__tests__/DiscussionsFullPage.test.js

@@ -378,7 +378,7 @@ describe('DiscussionFullPage', () => {
     })
 
     it('should render Teacher and Ta pills', async () => {
-      window.ENV.course_id = 1
+      window.ENV.course_id = '1'
       const container = setup()
       await waitFor(() => expect(container.queryAllByTestId('pill-container')).toBeTruthy())
       await waitFor(() => expect(container.queryAllByTestId('pill-Teacher')).toBeTruthy())

ui/features/k5_dashboard/react/__tests__/HomeroomAnnouncementsLayout.test.js

@@ -22,15 +22,17 @@ import HomeroomAnnouncementsLayout from '../HomeroomAnnouncementsLayout'
 
 const homeroomAnnouncements = [
   {
-    courseId: 1234,
+    courseId: '1234',
     courseName: 'Homeroom - Mr. Jessie',
     courseUrl: 'http://google.com/course',
     canEdit: true,
     canReadAnnouncements: true,
     announcement: {
+      id: '1234',
       title: 'Welcome to Class!',
       message: '<p>Yayyyy</p>',
       url: 'http://google.com',
+      postedDate: new Date(),
       attachment: {
         display_name: 'exam1.pdf',
         url: 'http://google.com/download',
@@ -40,20 +42,22 @@ const homeroomAnnouncements = [
     published: true
   },
   {
-    courseId: 1235,
+    courseId: '1235',
     courseName: 'Homeroom 0144232',
     courseUrl: 'http://google.com/course2',
     canEdit: true,
     canReadAnnouncements: true,
     announcement: {
+      id: '1235',
       title: 'Sign the permission slip!',
       message: '<p>Hello</p>',
-      url: 'http://google.com/otherclass'
+      url: 'http://google.com/otherclass',
+      postedDate: new Date()
     },
     published: true
   },
   {
-    courseId: 1236,
+    courseId: '1236',
     courseName: 'New Homeroom',
     courseUrl: 'http://google.com',
     canEdit: true,
@@ -86,7 +90,7 @@ describe('HomeroomAnnouncementsLayout', () => {
         {...getProps({
           homeroomAnnouncements: [
             {
-              courseId: 1236,
+              courseId: '1236',
               courseName: 'New Homeroom',
               courseUrl: 'http://google.com',
               canEdit: true,
@@ -108,7 +112,7 @@ describe('HomeroomAnnouncementsLayout', () => {
         {...getProps({
           homeroomAnnouncements: [
             {
-              courseId: 1236,
+              courseId: '1236',
               courseName: 'New Homeroom',
               courseUrl: 'http://google.com',
               canEdit: false,