refactor: renaming Discussions to DiscussionsSettings

This gives it more naming parity with the other pages & resources pages that will be checked in soon.

src/pages-and-resources/PagesAndResources.jsx

@@ -7,7 +7,7 @@ import { Switch, useRouteMatch } from 'react-router';
 import { useDispatch, useSelector } from 'react-redux';
 
 import messages from './messages';
-import Discussions from './discussions';
+import DiscussionsSettings from './discussions';
 
 import PageGrid from './pages/PageGrid';
 import ResourceList from './resources/ResourcesList';
@@ -42,7 +42,7 @@ function PagesAndResources({ courseId, intl }) {
       </div>
       <Switch>
         <PageRoute path={`${path}/discussions`}>
-          <Discussions courseId={courseId} />
+          <DiscussionsSettings courseId={courseId} />
         </PageRoute>
       </Switch>
     </main>

src/pages-and-resources/discussions/DiscussionsSettings.jsx

@@ -23,7 +23,7 @@ import ConfigFormContainer from './ConfigFormContainer';
 import messages from './messages';
 import { fetchApps, saveAppConfig } from './data/thunks';
 
-function Discussions({ courseId, intl }) {
+function DiscussionsSettings({ courseId, intl }) {
   const [selectedAppId, setSelectedAppId] = useState(null);
   const [isSubmitting, setIsSubmitting] = useState(false);
   const formRef = useRef();
@@ -149,9 +149,9 @@ function Discussions({ courseId, intl }) {
   );
 }
 
-Discussions.propTypes = {
+DiscussionsSettings.propTypes = {
   courseId: PropTypes.string.isRequired,
   intl: intlShape.isRequired,
 };
 
-export default injectIntl(Discussions);
+export default injectIntl(DiscussionsSettings);

src/pages-and-resources/discussions/index.js

@@ -1 +1 @@
-export { default } from './Discussions';
+export { default } from './DiscussionsSettings';