Fix n+1 query on feed merge and populate operations (#18111)

app/lib/feed_manager.rb

@@ -107,7 +107,7 @@ class FeedManager
   def merge_into_home(from_account, into_account)
     timeline_key = key(:home, into_account.id)
     aggregate    = into_account.user&.aggregates_reblogs?
-    query        = from_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
+    query        = from_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, :media_attachments, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
 
     if redis.zcard(timeline_key) >= FeedManager::MAX_ITEMS / 4
       oldest_home_score = redis.zrange(timeline_key, 0, 0, with_scores: true).first.last.to_i
@@ -133,7 +133,7 @@ class FeedManager
   def merge_into_list(from_account, list)
     timeline_key = key(:list, list.id)
     aggregate    = list.account.user&.aggregates_reblogs?
-    query        = from_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
+    query        = from_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, :media_attachments, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
 
     if redis.zcard(timeline_key) >= FeedManager::MAX_ITEMS / 4
       oldest_home_score = redis.zrange(timeline_key, 0, 0, with_scores: true).first.last.to_i
@@ -251,7 +251,7 @@ class FeedManager
         next if last_status_score < oldest_home_score
       end
 
-      statuses = target_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, reblog: :account).limit(limit)
+      statuses = target_account.statuses.where(visibility: [:public, :unlisted, :private]).includes(:preloadable_poll, :media_attachments, reblog: :account).limit(limit)
       crutches = build_crutches(account.id, statuses)
 
       statuses.each do |status|