"Spin on Kubernetes" page loses TOC expansion

[itowlson]

We normally expand the TOC section containing the current page, and highlight that page:

But for https://developer.fermyon.com/spin/v2/kubernetes this doesn't work: the TOC collapses and there is no "you are here" highlight:

Using MS Edge on Windows 11.

[karthik2804]

It needs this
#1134

[itowlson]

@karthik2804 Thanks! That PR is still in draft after 4 months: how much work would be needed to unblock it?

[karthik2804]

Probably some 10 minutes of just typing the same thing over and over. I'll get to it tomorrow.

[itowlson]

Sounds like a hoot - I can see why it stayed in draft. Thanks!