Fix distribute_add_activity and distribute_remove_activity (#7393)

app/controllers/api/v1/statuses/pins_controller.rb

@@ -39,7 +39,7 @@ class Api::V1::Statuses::PinsController < Api::BaseController
       adapter: ActivityPub::Adapter
     ).as_json
 
-    ActivityPub::RawDistributionWorker.perform_async(Oj.dump(json), current_account)
+    ActivityPub::RawDistributionWorker.perform_async(Oj.dump(json), current_account.id)
   end
 
   def distribute_remove_activity!
@@ -49,6 +49,6 @@ class Api::V1::Statuses::PinsController < Api::BaseController
       adapter: ActivityPub::Adapter
     ).as_json
 
-    ActivityPub::RawDistributionWorker.perform_async(Oj.dump(json), current_account)
+    ActivityPub::RawDistributionWorker.perform_async(Oj.dump(json), current_account.id)
   end
 end