Added default value for when CloudFrontOriginAccessIdentityList is (#44984)

missing.

(cherry picked from commit 93cd050250)

changelogs/fragments/fix_44984.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- cloudfront - fix bug when CloudFrontOriginAccessIdentityList is missing (https://github.com/ansible/ansible/pull/44984)

lib/ansible/module_utils/aws/cloudfront_facts.py

@@ -93,7 +93,7 @@ class CloudFrontFactsServiceManager(object):
     def list_origin_access_identities(self):
         try:
             paginator = self.client.get_paginator('list_cloud_front_origin_access_identities')
-            result = paginator.paginate().build_full_result()['CloudFrontOriginAccessIdentityList']
+            result = paginator.paginate().build_full_result().get('CloudFrontOriginAccessIdentityList', {})
             return result.get('Items', [])
         except botocore.exceptions.ClientError as e:
             self.module.fail_json_aws(e, msg="Error listing cloud front origin access identities")