Preload tag to prevent n+1 (#37154)

app/controllers/api/v1_alpha/collections_controller.rb

@@ -70,6 +70,7 @@ class Api::V1Alpha::CollectionsController < Api::BaseController
 
   def set_collections
     @collections = @account.collections
+                           .with_tag
                            .with_item_count
                            .order(created_at: :desc)
                            .offset(offset_param)

app/models/collection.rb

@@ -44,6 +44,7 @@ class Collection < ApplicationRecord
       .left_joins(:collection_items)
       .group(collections: :id)
   }
+  scope :with_tag, -> { includes(:tag) }
 
   def remote?
     !local?