fix(sanitize_cr): avoid crash when realmrep is empty (#11260)

* fix(docs): missing info on id when creating realms

* fix(sanitize_cr): avoid crash when realmrep is empty

* remove unrelated change

* remove unrelated change

* added changlog

* correct: changelogs

* Update changelogs

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Guillaume Dorschner <guillaume.dorschner@thalesgroup.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

changelogs/fragments/11260-keycloak-realm-crash-when-no-realms.yml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - keycloak_realm - fixed crash in ``sanitize_cr()`` when ``realmrep`` was ``None`` (https://github.com/ansible-collections/community.general/pull/11260).

plugins/modules/keycloak_realm.py

@@ -846,6 +846,9 @@ def sanitize_cr(realmrep):
     :param realmrep: the realmrep dict to be sanitized
     :return: sanitized realmrep dict
     """
+    if not realmrep:
+        return realmrep
+
     result = realmrep.copy()
     if "secret" in result:
         result["secret"] = "********"