fix: use param for update client mapper

src/keycloak/keycloak_admin.py

@@ -2343,6 +2343,23 @@ class KeycloakAdmin:
         )
         return raise_error_from_response(data_raw, KeycloakPutError, expected_codes=[204])
 
+    def get_mappers_from_client(self, client_id):
+        """
+        List of all client mappers.
+
+        https://www.keycloak.org/docs-api/18.0/rest-api/index.html#_protocolmapperrepresentation
+
+        :param client_id: Client id
+        :returns: KeycloakServerResponse (list of ProtocolMapperRepresentation)
+        """
+        params_path = {"realm-name": self.realm_name, "id": client_id}
+
+        data_raw = self.raw_get(
+            urls_patterns.URL_ADMIN_CLIENT_PROTOCOL_MAPPERS.format(**params_path)
+        )
+
+        return raise_error_from_response(data_raw, KeycloakPostError, expected_codes=[200])
+
     def add_mapper_to_client(self, client_id, payload):
         """
         Add a mapper to a client
@@ -2373,7 +2390,7 @@ class KeycloakAdmin:
 
         params_path = {
             "realm-name": self.realm_name,
-            "id": self.client_id,
+            "id": client_id,
             "protocol-mapper-id": mapper_id,
         }