Added the missing import

Author: Vishal

src/app/_samples/embedded/mc-nav/mc-nav.component.ts

@@ -7,7 +7,7 @@ import { MatToolbarModule } from '@angular/material/toolbar';
 import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
 import { Subscription, interval } from 'rxjs';
 
-import { loginIfNecessary, logout, sdkSetAuthHeader } from '@pega/auth/lib/sdk-auth-manager';
+import { loginIfNecessary, logout, sdkSetAuthHeader, sdkSetCustomTokenParamsCB } from '@pega/auth/lib/sdk-auth-manager';
 import {
   ProgressSpinnerService,
   ResetPConnectService,