Co-author Profile Picture Not Displaying in Source Control Panel

Does this issue occur when all extensions are disabled?: No

Version: 1.136.2 (Universal)
Commit: 88e44fa0e00b08f7758b4f6d05632e4fd5e4df6f
Date: 2026-09-04T21:40:42Z
Electron: 42.10.0
ElectronBuildId: 15109253
Chromium: 148.0.7778.280
Node.js: 24.18.1
V8: 14.8.178.38-electron.0
@github/copilot: 1.0.81-0
@github/copilot-sdk: 1.0.11
OS: Darwin arm64 24.6.0

> [!NOTE]
> This is not my network issue.

Steps to Reproduce:

1. Co-author with any user in the commit message, who is a valid GitHub user
2. Refresh the Source Control commit list
3. Hover your cursor over that option
4. The co-author's profile picture is not displayed, but the commiter's one is fine.