Fix migration in 20220603081324-add-archive-at-to-feature-toggle.js

Fixes the query so that instead of using the outer join's event e. Use additional check if the toggle was archived using features table's archived flag. Without this its updating the archived_at for all the existing features after migration

Author: vickylance

src/migrations/20220603081324-add-archive-at-to-feature-toggle.js

@@ -13,8 +13,9 @@ exports.up = function (db, callback) {
                           AND e.created_at =
                               (SELECT Max(created_at) date
                                FROM   events
-                               WHERE  e.type = 'feature-archived'
-                                      AND e.feature_name = f.NAME)) res
+                               WHERE  type = 'feature-archived'
+                                      AND feature_name = f.NAME
+                                      AND f.archived = 't')) res
         WHERE  res.NAME = f.NAME;
         UPDATE features
         SET    archived_at = Now()