fix: update GitHub manifest permissions and improve template syntax

Author: austenstone

backend/github-manifest.json

@@ -12,7 +12,8 @@
     "members": "read",
     "metadata": "read",
     "organization_copilot_seat_management": "read",
-    "pull_requests": "write"
+    "pull_requests": "read",
+    "issues": "write"
   },
   "default_events": [
     "pull_request",

frontend/src/app/main/main.component.html

@@ -31,6 +31,7 @@
       </a>
       <a mat-list-item routerLink="/copilot/surveys">
         <mat-icon matListItemIcon>merge</mat-icon>
+        <!-- <mat-icon matListItemIcon>feedback</mat-icon> -->
         <span>Developer Estimates</span>
       </a>
       <a mat-list-item routerLink="/copilot/value-modeling">
@@ -66,7 +67,7 @@ <h1>
               }
             </mat-select>
             <ng-template #singleInstall>
-              <span>{{ installations[0].account?.login }}</span>
+              <span>{{ installations[0]?.account?.login }}</span>
             </ng-template>
           </h1>
         </ng-container>