[teams-channel-picker] updating scopes (#1386)

Co-authored-by: Nikola Metulev <[email protected]>

Author: vogtn

packages/mgt-components/src/components/mgt-teams-channel-picker/mgt-teams-channel-picker.graph.ts

@@ -15,6 +15,11 @@ import { Team } from '@microsoft/microsoft-graph-types';
  * @memberof Graph
  */
 export async function getAllMyTeams(graph: IGraph): Promise<Team[]> {
-  const teams = await graph.api('/me/joinedTeams').select(['displayName', 'id', 'isArchived']).get();
+  const scopes = 'team.readbasic.all';
+  const teams = await graph
+    .api('/me/joinedTeams')
+    .select(['displayName', 'id', 'isArchived'])
+    .middlewareOptions(prepScopes(scopes))
+    .get();
   return teams ? teams.value : null;
 }

packages/mgt-components/src/components/mgt-teams-channel-picker/mgt-teams-channel-picker.ts

@@ -653,9 +653,10 @@ export class MgtTeamsChannelPicker extends MgtTemplatedComponent {
       teams = teams.filter(t => !t.isArchived);
 
       const batch = graph.createBatch();
+      const scopes = ['team.readbasic.all'];
 
       for (const team of teams) {
-        batch.get(team.id, `teams/${team.id}/channels`);
+        batch.get(team.id, `teams/${team.id}/channels`, scopes);
       }
 
       const responses = await batch.executeAll();

packages/mgt-element/src/providers/SimpleProvider.ts

@@ -53,7 +53,7 @@ export class SimpleProvider extends IProvider {
    * @memberof SimpleProvider
    */
   public getAccessToken(options?: AuthenticationProviderOptions): Promise<string> {
-    return this._getAccessTokenHandler(options.scopes);
+    return this._getAccessTokenHandler(options?.scopes);
   }
 
   /**