refactor: Update listAllAssistants return type to Promise<Array<Assis…

…tant>>

api/server/controllers/assistants/helpers.js

@@ -64,7 +64,7 @@ const _listAssistants = async ({ req, res, version, query }) => {
  * @param {object} params.res - The response object, used for initializing the client.
  * @param {string} params.version - The API version to use.
  * @param {Omit<AssistantListParams, 'endpoint'>} params.query - The query parameters to list assistants (e.g., limit, order).
- * @returns {Promise<Array<Assistant & AssistantDocument>>} A promise that resolves to the response from the `openai.beta.assistants.list` method call.
+ * @returns {Promise<Array<Assistant>>} A promise that resolves to the response from the `openai.beta.assistants.list` method call.
  */
 const listAllAssistants = async ({ req, res, version, query }) => {
   /** @type {{ openai: OpenAIClient }} */