Perspective not rendering in reference guide

[MarcSkovMadsen]

After release of Panel 1.4.0 nothing shown in the output cells of https://panel.holoviz.org/reference/panes/Perspective.html

Lots of issues shown in the browser console.

https://cdn.jsdelivr.net/npm/@finos/[email protected]/dist/css/material-dark.css not found

...

Uncaught TypeError: window.perspective.worker is not a function
    at v.render (panel.min.js:139:3502)
    at v.render_to (bokeh-3.4.0.min.js:578:6079)
    at v._after_resize (bokeh-3.4.0.min.js:578:696)
    at v.after_resize (bokeh-3.4.0.min.js:273:3122)
    at ResizeObserver.<anonymous> (bokeh-3.4.0.min.js:273:2035)

...

panel.models.perspective.PerspectiveView(p1045) wasn't built properly