feat: add functionality to cache token

Author: AlbinaBlazhko17

packages/cli/src/commands/scorecard-classic/auth/login-handler.ts

@@ -9,19 +9,19 @@ import type { Config } from '@redocly/openapi-core';
 export async function handleLoginAndFetchToken(config: Config): Promise<string | undefined> {
   const reuniteUrl = getReuniteUrl(config, config.resolvedConfig?.residency);
   const oauthClient = new RedoclyOAuthClient();
-  const isAuthorized = await oauthClient.isAuthorized(reuniteUrl);
+  let accessToken = await oauthClient.getAccessToken(reuniteUrl);
 
-  if (!isAuthorized) {
+  if (!accessToken) {
     logger.info(`\n${blue('Authentication required to fetch remote scorecard configuration.')}\n`);
     logger.info(`Please login to continue:\n`);
 
     try {
       await oauthClient.login(reuniteUrl);
+      accessToken = await oauthClient.getAccessToken(reuniteUrl);
     } catch (error) {
       exitWithError(`Login failed. Please try again or check your connection to ${reuniteUrl}.`);
     }
   }
 
-  const token = await oauthClient.getAccessToken(reuniteUrl);
-  return token === null ? undefined : token;
+  return accessToken === null ? undefined : accessToken;
 }