feat(core): adjust history modal styles (#11675)

- add avatar/name info to each history snapshot item
- add avatar to audio transcription job owner

fix AF-2483

![image.png](https://graphite-user-uploaded-assets-prod.s3.amazonaws.com/T2klNLEk0wxLh4NRDzhk/4a2b88c2-311a-470e-a8a9-113931cdf17e.png)

packages/frontend/apps/electron-renderer/src/popup/utils.ts

@@ -1,18 +0,0 @@
-import { useEffect, useState } from 'react';
-
-export const useBlobUrl = (buffer?: Buffer) => {
-  const [blobUrl, setBlobUrl] = useState<string | null>(null);
-
-  useEffect(() => {
-    if (!buffer) {
-      return;
-    }
-    const url = URL.createObjectURL(new Blob([buffer]));
-    setBlobUrl(url);
-    return () => {
-      URL.revokeObjectURL(url);
-    };
-  }, [buffer]);
-
-  return blobUrl;
-};