Fix obj.creator check.
Fix obj.creator check.

glogiotatidis/snippets-service,mozmar/snippets-service,mozilla/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,mozilla/snippets-service,mozilla/snippets-service,glogiotatidis/snippets-service,mozmar/snippets-service,mozilla/snippets-service