Fix `Rails/WhereExists` cop in app/lib/status_cache_hydrator (#28808)

.rubocop_todo.yml

@@ -80,7 +80,6 @@ Rails/WhereExists:
     - 'app/lib/activitypub/activity/create.rb'
     - 'app/lib/delivery_failure_tracker.rb'
     - 'app/lib/feed_manager.rb'
-    - 'app/lib/status_cache_hydrator.rb'
     - 'app/lib/suspicious_sign_in_detector.rb'
     - 'app/models/poll.rb'
     - 'app/models/session_activation.rb'

app/lib/status_cache_hydrator.rb

@@ -26,11 +26,11 @@ class StatusCacheHydrator
 
   def hydrate_non_reblog_payload(empty_payload, account_id)
     empty_payload.tap do |payload|
-      payload[:favourited] = Favourite.where(account_id: account_id, status_id: @status.id).exists?
-      payload[:reblogged]  = Status.where(account_id: account_id, reblog_of_id: @status.id).exists?
-      payload[:muted]      = ConversationMute.where(account_id: account_id, conversation_id: @status.conversation_id).exists?
-      payload[:bookmarked] = Bookmark.where(account_id: account_id, status_id: @status.id).exists?
-      payload[:pinned]     = StatusPin.where(account_id: account_id, status_id: @status.id).exists? if @status.account_id == account_id
+      payload[:favourited] = Favourite.exists?(account_id: account_id, status_id: @status.id)
+      payload[:reblogged]  = Status.exists?(account_id: account_id, reblog_of_id: @status.id)
+      payload[:muted]      = ConversationMute.exists?(account_id: account_id, conversation_id: @status.conversation_id)
+      payload[:bookmarked] = Bookmark.exists?(account_id: account_id, status_id: @status.id)
+      payload[:pinned]     = StatusPin.exists?(account_id: account_id, status_id: @status.id) if @status.account_id == account_id
       payload[:filtered]   = mapped_applied_custom_filter(account_id, @status)
 
       if payload[:poll]
@@ -51,11 +51,11 @@ class StatusCacheHydrator
       # used to create the status, we need to hydrate it here too
       payload[:reblog][:application] = payload_reblog_application if payload[:reblog][:application].nil? && @status.reblog.account_id == account_id
 
-      payload[:reblog][:favourited] = Favourite.where(account_id: account_id, status_id: @status.reblog_of_id).exists?
-      payload[:reblog][:reblogged]  = Status.where(account_id: account_id, reblog_of_id: @status.reblog_of_id).exists?
-      payload[:reblog][:muted]      = ConversationMute.where(account_id: account_id, conversation_id: @status.reblog.conversation_id).exists?
-      payload[:reblog][:bookmarked] = Bookmark.where(account_id: account_id, status_id: @status.reblog_of_id).exists?
-      payload[:reblog][:pinned]     = StatusPin.where(account_id: account_id, status_id: @status.reblog_of_id).exists? if @status.reblog.account_id == account_id
+      payload[:reblog][:favourited] = Favourite.exists?(account_id: account_id, status_id: @status.reblog_of_id)
+      payload[:reblog][:reblogged]  = Status.exists?(account_id: account_id, reblog_of_id: @status.reblog_of_id)
+      payload[:reblog][:muted]      = ConversationMute.exists?(account_id: account_id, conversation_id: @status.reblog.conversation_id)
+      payload[:reblog][:bookmarked] = Bookmark.exists?(account_id: account_id, status_id: @status.reblog_of_id)
+      payload[:reblog][:pinned]     = StatusPin.exists?(account_id: account_id, status_id: @status.reblog_of_id) if @status.reblog.account_id == account_id
       payload[:reblog][:filtered]   = payload[:filtered]
 
       if payload[:reblog][:poll]