Actions on RelationManager not showing even after disabling policies

I've commented the policy for Series model in AuthServiceProvider and disabled the policy checking on the SeriesRelationManager but still I cannot see the create, edit and delete options in the table. I've cleared the application cache and re-installed the vendor to prevent cache issues but still no luck. I've attached the table picture and my SeriesRelationManager code in screenshots for better understanding. Any help would be much appreciated.