message: auth-backend: read and encode the entire state object in encodeState and readState
diff: @@ -29,18 +29,14 @@ export const readState = (stateString: string): OAuthState => {
  ) {
  throw Error(`Invalid state passed via request`);
  }
  - return {
  - nonce: state.nonce,
  - env: state.env,
  - };
  +
  + return state as OAuthState;
  };
  export const encodeState = (state: OAuthState): string => {
  - const searchParams = new URLSearchParams();
  - searchParams.append('nonce', state.nonce);
  - searchParams.append('env', state.env);
  + const stateString = new URLSearchParams(state).toString();
  - return Buffer.from(searchParams.toString(), 'utf-8').toString('hex');
  + return Buffer.from(stateString, 'utf-8').toString('hex');
  };
  export const verifyNonce = (req: express.Request, providerId: string) => {
  