Monaco editor missing icons

[jwunderl]

Describe the bug

Icons in monaco editor have gone missing, e.g. collapse, type icons in completions, ctrl+f icons

To Reproduce
Steps to reproduce the behavior:

1. Go to arcade editor
2. open project in monaco editor
3. See error

Expected behavior
icons should be there

Desktop (please complete the following information):

• OS: windows
• Browser edge 128

Additional context

they appear to have gone missing 'on their own,' not tied to a release. Richard and i had vague suspicion of maybe deployment config or backend related, but not investigated.