Chore: Fix N+1 queries in dashboard side (#1254)

* Chore: Fix N+1 queries in dashboard side

Fixed a couple of N+1 queries fired on the dashboard side of
the app to improve performance.

app/controllers/api/v1/accounts/contacts/conversations_controller.rb

@@ -1,7 +1,7 @@
 class Api::V1::Accounts::Contacts::ConversationsController < Api::V1::Accounts::BaseController
   def index
     @conversations = Current.account.conversations.includes(
-      :assignee, :contact, :inbox
+      :assignee, :contact, :inbox, :taggings
     ).where(inbox_id: inbox_ids, contact_id: permitted_params[:contact_id])
   end
 

app/controllers/api/v1/accounts/contacts_controller.rb

@@ -63,6 +63,6 @@ class Api::V1::Accounts::ContactsController < Api::V1::Accounts::BaseController
   end
 
   def fetch_contact
-    @contact = Current.account.contacts.find(params[:id])
+    @contact = Current.account.contacts.includes(contact_inboxes: [:inbox]).find(params[:id])
   end
 end