feat: Hide the upload button in the external agent's chat box #1880 (#1984)

### What problem does this PR solve?

feat: Hide the upload button in the external agent's chat box  #1880

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/chat/shared-hooks.ts

@@ -1,4 +1,4 @@
-import { MessageType } from '@/constants/chat';
+import { MessageType, SharedFrom } from '@/constants/chat';
 import {
   useCreateSharedConversation,
   useFetchSharedConversation,
@@ -225,3 +225,12 @@ export const useSendSharedMessage = (
     loading: !done,
   };
 };
+
+export const useGetSharedChatSearchParams = () => {
+  const [searchParams] = useSearchParams();
+
+  return {
+    from: searchParams.get('from') as SharedFrom,
+    sharedId: searchParams.get('shared_id'),
+  };
+};