fix: Check if applyPolicies exists in the config (#367)

src/keycloak/authorization/__init__.py

@@ -86,6 +86,7 @@ class Authorization:
 
                 permission.scopes = ast.literal_eval(pol["config"]["scopes"])
 
+                if "applyPolicies" in pol["config"]:
                     for policy_name in ast.literal_eval(pol["config"]["applyPolicies"]):
                         self.policies[policy_name].add_permission(permission)