Fix gcp utils dict replace (#51426)

* fix reference before assignment of new_item if item is plain string

* fix KeyError if managed_zone is plain string

lib/ansible/module_utils/gcp_utils.py

@@ -69,7 +69,7 @@ def replace_resource_dict(item, value):
             new_item = ast.literal_eval(item)
             return replace_resource_dict(new_item, value)
         except ValueError:
-            return new_item
+            return item
 
 
 # Handles all authentication and HTTP sessions for GCP API calls.

lib/ansible/modules/cloud/google/gcp_dns_resource_record_set.py

@@ -376,7 +376,7 @@ def prefetch_soa_resource(module):
 
     result = fetch_wrapped_resource(resource, 'dns#resourceRecordSet', 'dns#resourceRecordSetsListResponse', 'rrsets')
     if not result:
-        raise ValueError("Google DNS Managed Zone %s not found" % module.params['managed_zone']['name'])
+        raise ValueError("Google DNS Managed Zone %s not found" % replace_resource_dict(module.params['managed_zone'], 'name'))
     return result