Refactor reply-fetching code and disable it by default (#34147)

spec/models/concerns/status/fetch_replies_concern_spec.rb

@@ -85,7 +85,6 @@ RSpec.describe Status::FetchRepliesConcern do
 
       it 'shows the status as unsubscribed' do
         expect(Status.unsubscribed).to eq([status])
-        expect(status.unsubscribed?).to be(true)
       end
     end
 
@@ -96,7 +95,6 @@ RSpec.describe Status::FetchRepliesConcern do
 
       it 'shows the status as unsubscribed' do
         expect(Status.unsubscribed).to eq([status])
-        expect(status.unsubscribed?).to be(true)
       end
     end
 
@@ -107,7 +105,6 @@ RSpec.describe Status::FetchRepliesConcern do
 
       it 'shows the status as unsubscribed' do
         expect(Status.unsubscribed).to eq([status])
-        expect(status.unsubscribed?).to be(true)
       end
     end
 
@@ -118,14 +115,12 @@ RSpec.describe Status::FetchRepliesConcern do
 
       it 'does not show the status as unsubscribed' do
         expect(Status.unsubscribed).to eq([])
-        expect(status.unsubscribed?).to be(false)
       end
     end
 
     context 'when the status has no followers' do
       it 'shows the status as unsubscribed' do
         expect(Status.unsubscribed).to eq([status])
-        expect(status.unsubscribed?).to be(true)
       end
     end
   end

spec/services/activitypub/fetch_remote_status_service_spec.rb

@@ -296,12 +296,6 @@ RSpec.describe ActivityPub::FetchRemoteStatusService do
               it_behaves_like 'no delete'
             end
           end
-
-          context 'when the status is from an account with local followers' do
-            let(:follow) { Fabricate(:follow, account: follower, target_account: sender, created_at: 2.days.ago) }
-
-            it_behaves_like 'no delete'
-          end
         end
       end
 

spec/workers/activitypub/fetch_all_replies_worker_spec.rb

@@ -123,6 +123,7 @@ RSpec.describe ActivityPub::FetchAllRepliesWorker do
   end
 
   before do
+    stub_const('Status::FetchRepliesConcern::FETCH_REPLIES_ENABLED', true)
     allow(FetchReplyWorker).to receive(:push_bulk)
     all_items.each do |item|
       next if [top_note_uri, reply_note_uri].include? item