feat(core): restore pinned chat for independent chat (#13154)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Improved chat session management by automatically restoring a pinned
chat session when opening the workspace chat.

* **Enhancements**
* Added support for cancelling certain requests, improving
responsiveness and user experience.

* **Style**
* Updated the label "AFFiNE Intelligence" to "Intelligence" in relevant
UI components for a more concise display.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/common/graphql/src/fetcher.ts

@@ -82,6 +82,10 @@ export type RequestOptions<Q extends GraphQLQuery> = QueryVariablesOption<Q> & {
    * @default 15000
    */
   timeout?: number;
+  /**
+   * Abort signal
+   */
+  signal?: AbortSignal;
 };
 
 export type QueryOptions<Q extends GraphQLQuery> = RequestOptions<Q> & {
@@ -207,6 +211,7 @@ export const gqlFetcherFactory = (
         headers,
         body: isFormData ? body : JSON.stringify(body),
         timeout: options.timeout,
+        signal: options.signal,
       })
     ).then(async res => {
       if (res.headers.get('content-type')?.startsWith('application/json')) {