ldap_attr bugfix (#48009) (#48106)

* ldap_attr bugfix (#48009)

(cherry picked from commit ee13bc248b)

* changelog

changelogs/fragments/48009-ldap_attr-list.yml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - ldap_attr map to list (https://github.com/ansible/ansible/pull/48009)

lib/ansible/modules/net_tools/ldap/ldap_attr.py

@@ -173,7 +173,7 @@ class LdapAttr(LdapGeneric):
 
         # Normalize values
         if isinstance(self.module.params['values'], list):
-            self.values = map(to_bytes, self.module.params['values'])
+            self.values = list(map(to_bytes, self.module.params['values']))
         else:
             self.values = [to_bytes(self.module.params['values'])]