Lean on ActiveJob::Base to execute the job

This follows the other queue adapters in ActiveJob upstream, and Delayed::Job's queue adapter as well. Ensures the job deserialize is called within the executor block/execute callbacks along with perform. If the deserialize method is causing side effects like using ActiveSupport::CurrentAttributes they won't get cleared between deserialize and perform being invoked.

lib/delayed/job_wrapper.rb

@@ -21,9 +21,7 @@ def display_name
     end
 
     def perform
-      ActiveJob::Callbacks.run_callbacks(:execute) do
-        job.perform_now
-      end
+      ActiveJob::Base.execute(job_data)
     end
 
     def encode_with(coder)