erp5_free_subscription: simplify Alarm_acceptSubmittedFreeSubscriptionRequestList

bt5/erp5_free_subscription/SkinTemplateItem/portal_skins/erp5_free_subscription/Alarm_acceptSubmittedFreeSubscriptionRequestList.py

 portal = context.getPortalObject()
-portal_preferences = portal.portal_preferences
-searchAndActivate_ = portal.portal_catalog.searchAndActivate
-def searchAndActivate(**kw):
-  searchAndActivate_('FreeSubscriptionRequest_accept', **kw)
-
-portal_type_list = []
-if portal_preferences.getPreferredFreeSubscriptionRequestAutomaticApproval():
-  portal_type_list.append('Free Subscription Request')
-
-if portal_type_list:
-  searchAndActivate(
-    portal_type=portal_type_list,
+if portal.portal_preferences.getPreferredFreeSubscriptionRequestAutomaticApproval():
+  portal.portal_catalog.searchAndActivate(
+    'FreeSubscriptionRequest_accept',
+    portal_type='Free Subscription Request',
     validation_state='submitted',
   )