chore: Enable the new Rubocop rules (#7122)

fixes: https://linear.app/chatwoot/issue/CW-1574/renable-the-disabled-rubocop-rules

app/controllers/public/api/v1/inboxes/contacts_controller.rb

@@ -2,6 +2,8 @@ class Public::Api::V1::Inboxes::ContactsController < Public::Api::V1::InboxesCon
   before_action :contact_inbox, except: [:create]
   before_action :process_hmac
 
+  def show; end
+
   def create
     source_id = params[:source_id] || SecureRandom.uuid
     @contact_inbox = ::ContactInboxWithContactBuilder.new(
@@ -11,8 +13,6 @@ class Public::Api::V1::Inboxes::ContactsController < Public::Api::V1::InboxesCon
     ).perform
   end
 
-  def show; end
-
   def update
     contact_identify_action = ContactIdentifyAction.new(
       contact: @contact_inbox.contact,