94485: Fix initialization deadlock when backend is unavailable

When the REST server can't be found, `getEndpoint` errors out, no request gets sent, which causes `fetchRequest` to never emit.

Because of this the `checkTokenCookie$` effect would get deadlocked and initialization would never complete.

src/app/core/auth/auth-request.service.spec.ts

@@ -111,7 +111,6 @@ describe(`AuthRequestService`, () => {
             body: undefined,
             options,
           }));
-          expect((service as any).fetchRequest).toHaveBeenCalledWith(requestID);
         });
       });
     });
@@ -151,7 +150,6 @@ describe(`AuthRequestService`, () => {
             body: { content: 'something' },
             options,
           }));
-          expect((service as any).fetchRequest).toHaveBeenCalledWith(requestID);
         });
       });
     });