File editor - Unable to use without internet connection

[oz9els]

The problem

The other day my internet connection disappeared, and I thought that it would be a good time to clean up my config.
I discovered that the "File Editor" (Simple browser-based file editor for Home Assistant add-on) actually did not worked - seamed like there is missing a stylesheet -

What version of Home Assistant Core has the issue?

2022.9.6

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

No response

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[ludeeus]

duplicate of danielperna84/hass-configurator#177