[Bug]: search stops working in pydoc

[liferoad]

What happened?

Discussions are here: https://lists.apache.org/thread/ymn97snfxdto93ygns8wq4qz91flv2g7

This could be related to #32747 to upgrade sphinx_rtd_theme

Issue Priority

Priority: 2 (default / most bugs should be filed as P2)

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[liferoad]

https://stackoverflow.com/questions/68709496/searching-takes-forever-on-readthedocs-when-the-phrase-is-not-present-on-th may sovle this?

[liferoad]

@damccorm please help validate whether this works.