fixes for google driver reauth:

- move handler back to replay, reauth should now work
- wabac.js fixes: reauth flow only triggered when reauth is needed, not when exponential backoff is used for loading
- bump version to 1.2.1

package.json

@@ -1,7 +1,7 @@
 {
   "name": "replaywebpage",
   "productName": "ReplayWeb.page",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Serverless Web Archive Replay",
   "repository": "https://github.com/webrecorder/replayweb.page",
   "homepage": "https://replayweb.page/",