[Koha] Missing shelf browser

[Elaine Bradtke]

We've just upgraded to 25.05.01. We use zebra searching.
The browse shelf feature has vanished.  We're also not able to go back to
the list of search results.
I didn't see any applicable preferences that needed to be changed.
Has anyone else seen this? Any ideas what might be the problem?
Thanks

Elaine Bradtke
VWML <https://www.efdss.org/vwml>
English Folk Dance and Song Society <https://www.efdss.org>
Cecil Sharp House, 2 Regent's Park Road, London NW1 7AY
Tel    +44 (0) 20 7485 2206 (This number is for the English Folk Dance and
Song Society in London, England. If you wish to phone me personally, send
an e-mail first. I work off site)
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Registered Company No. 297142
Charity Registered in England and Wales No. 305999