Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

When we open an app page to a workspace that's offline we get redirected to this page:
https://github.com/coder/coder/blob/main/site/static/error.html

This page still has the old logo:

Relevant Log Output

Expected Behavior

No response

Steps to Reproduce

1. Find an offline workspace.
2. Open a link to a code-server on that workspace (while it's offline).
3. See the error page.

Environment

• Host OS:
• Coder version:

Additional Context

No response