Long sidebar title names do not wrap

[adamgayoso]

Describe the bug

context
When using the sidebar for function names, they can sometimes be quite long and do no properly get wrapped.

expectation
Long names to wrap

Reproduce the bug

https://infercnvpy.readthedocs.io/en/latest/api.html

List your environment

No response

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[choldgraf]

This one is now resolved by the latest inheritance from the pydata theme!