Fix subsequent replies to unresolved status not being filtered from home (#4190)

Resolves #4177 - smaller changeset

app/lib/feed_manager.rb

@@ -93,7 +93,7 @@ class FeedManager
   end
 
   def filter_from_home?(status, receiver_id)
-    return true if status.reply? && status.in_reply_to_id.nil?
+    return true if status.reply? && (status.in_reply_to_id.nil? || status.in_reply_to_account_id.nil?)
 
     check_for_mutes = [status.account_id]
     check_for_mutes.concat([status.reblog.account_id]) if status.reblog?
@@ -120,12 +120,13 @@ class FeedManager
   end
 
   def filter_from_mentions?(status, receiver_id)
+    return true if receiver_id == status.account_id
+
     check_for_blocks = [status.account_id]
     check_for_blocks.concat(status.mentions.pluck(:account_id))
     check_for_blocks.concat([status.in_reply_to_account]) if status.reply? && !status.in_reply_to_account_id.nil?
 
-    should_filter   = receiver_id == status.account_id                                                                                   # Filter if I'm mentioning myself
-    should_filter ||= Block.where(account_id: receiver_id, target_account_id: check_for_blocks).any?                                     # or it's from someone I blocked, in reply to someone I blocked, or mentioning someone I blocked
+    should_filter   = Block.where(account_id: receiver_id, target_account_id: check_for_blocks).any?                                     # Filter if it's from someone I blocked, in reply to someone I blocked, or mentioning someone I blocked
     should_filter ||= (status.account.silenced? && !Follow.where(account_id: receiver_id, target_account_id: status.account_id).exists?) # of if the account is silenced and I'm not following them
 
     should_filter

spec/lib/feed_manager_spec.rb

@@ -81,6 +81,13 @@ RSpec.describe FeedManager do
         expect(FeedManager.instance.filter?(:home, reply, bob.id)).to be true
       end
 
+      it 'returns true for the second reply by followee to a non-federated status' do
+        reply        = Fabricate(:status, text: 'Reply 1', reply: true, account: alice)
+        second_reply = Fabricate(:status, text: 'Reply 2', thread: reply, account: alice)
+        bob.follow!(alice)
+        expect(FeedManager.instance.filter?(:home, second_reply, bob.id)).to be true
+      end
+
       it 'returns false for status by followee mentioning another account' do
         bob.follow!(alice)
         status = PostStatusService.new.call(alice, 'Hey @jeff')