feat(shared/kanidm): Add helper function sync_call

This avoids wrapping the methods each time we want to call the API in
sync mode

src/shared/kanidm.py

@@ -1,3 +1,4 @@
+from asgiref.sync import async_to_sync
 from kanidm import KanidmClient
 from loadcredential import Credentials
 
@@ -6,3 +7,10 @@ credentials = Credentials(env_prefix="DGSI_")
 klient = KanidmClient(
     uri=credentials["KANIDM_URI"], token=credentials["KANIDM_AUTH_TOKEN"]
 )
+
+
+def sync_call(name, *args, **kwargs):
+    """
+    Wraps the required action for use in sync contexts
+    """
+    return async_to_sync(getattr(klient, name))(*args, **kwargs)