Merge pull request #4114 from tgxworld/better_logging_for_backfilling_badges

FIX: Better logging when badges fail to backfill.

app/services/badge_granter.rb

@@ -323,7 +323,9 @@ class BadgeGranter
     end
 
     badge.reset_grant_count!
-
+  rescue => ex
+    Rails.logger.error("Failed to backfill '#{badge.type}' badge: #{opts}")
+    raise ex
   end