Add support for editing for published statuses (#16697)

* Add support for editing for published statuses

* Fix references to stripped-out code

* Various fixes and improvements

* Further fixes and improvements

* Fix updates being potentially sent to unauthorized recipients

* Various fixes and improvements

* Fix wrong words in test

* Fix notifying accounts that were tagged but were not in the audience

* Fix mistake

spec/workers/feed_insert_worker_spec.rb

@@ -45,7 +45,7 @@ describe FeedInsertWorker do
         result = subject.perform(status.id, follower.id)
 
         expect(result).to be_nil
-        expect(instance).to have_received(:push_to_home).with(follower, status)
+        expect(instance).to have_received(:push_to_home).with(follower, status, update: nil)
       end
     end
   end