Merge branch 'fix-register-dialog-return' into 'master'

Fix setting username + password on register dialog return

See merge request arsnova/arsnova-lite!180

src/app/components/shared/login/login.component.ts

@@ -133,10 +133,12 @@ export class LoginComponent implements OnInit, OnChanges {
     this.dialog.open(RegisterComponent, {
       width: '350px'
     }).afterClosed().subscribe(result => {
-      this.usernameFormControl.setValue(result.username);
-      this.passwordFormControl.setValue(result.password);
-      this.username = result.username;
-      this.password = result.password;
+      if (result) {
+        this.usernameFormControl.setValue(result.username);
+        this.passwordFormControl.setValue(result.password);
+        this.username = result.username;
+        this.password = result.password;
+      }
     });
   }
 }