fix: crash around audio attachment upload preview in draft mode (#3280)

* fix: crash around audio attachment upload preview in draft mode

* fix: crash around audio attachment upload preview in draft mode

Author: khushal87

package/src/components/MessageInput/components/AttachmentPreview/AudioAttachmentUploadPreview.tsx

@@ -41,7 +41,7 @@ export const AudioAttachmentUploadPreview = ({
   const finalAttachment = useMemo(
     () => ({
       ...attachment,
-      asset_url: (attachment.localMetadata.file as FileReference).uri,
+      asset_url: attachment.asset_url ?? (attachment.localMetadata.file as FileReference).uri,
       id: attachment.localMetadata.id,
       ...audioAttachmentConfig,
     }),