optimize for dashboards

app/models/menu_item.rb

@@ -11,11 +11,11 @@ class MenuItem < ApplicationRecord
   belongs_to :account
 
   has_many :menu_item_sets
-  has_many :item_sets, through: :menu_item_sets
+  has_and_belongs_to_many :item_sets, join_table: "menu_item_sets"
 
   validates_presence_of :item_code, :name, :type, :min_qty,:account_id
   validates_uniqueness_of :item_code
-  
+
   default_scope { order('item_code asc') }
 
   scope :simple_menu_item, -> { where(type: 'SimpleMenuItem') }