[MOV] sale: wizard to wizard directory

addons/sale/models/__init__.py

@@ -15,4 +15,3 @@ from . import sale_order
 from . import sale_order_line
 from . import sales_team
 from . import utm_campaign
-from . import mail_compose_message

addons/sale/wizard/__init__.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
+from . import mail_compose_message
 from . import payment_acquirer_onboarding_wizard
 from . import sale_make_invoice_advance
 from . import sale_order_cancel