Ensure backbeat retrieve the account quotas

The route backbeat also calls the doAuth function, but we never
map the value to accountQuotas

Issue: CLDSRV-590

lib/routes/routeBackbeat.js

@@ -1388,7 +1388,7 @@ function routeBackbeat(clientIP, request, response, log) {
         const path = request.url.replace('/_/backbeat/api', '/_/');
         const { host, port } = config.backbeat;
         const target = `http://${host}:${port}${path}`;
-        return auth.server.doAuth(request, log, (err, userInfo) => {
+        return auth.server.doAuth(request, log, (err, userInfo, streamingV4Params, infos) => {
             if (err) {
                 log.debug('authentication error', {
                     error: err,
@@ -1398,6 +1398,8 @@ function routeBackbeat(clientIP, request, response, log) {
                 });
                 return responseJSONBody(err, null, response, log);
             }
+            // eslint-disable-next-line no-param-reassign
+            request.accountQuotas = infos?.accountQuota;
             // FIXME for now, any authenticated user can access API
             // routes. We should introduce admin accounts or accounts
             // with admin privileges, and restrict access to those