Fix: Keep cursor in search box after applying filter #2631

Job	Run time
Documentation: html	1m 2s
Linkcheck: online tests	2m 12s
PDF/LaTeX backend	3m 42s
Linkcheck: Documenter manual	5m 0s
Documentation: pdf	2m 38s
NodeJS for prerender	1m 18s
Prettier (JS code formatting)	4s
Runic (Julia code formatting)	24s
Julia 1.6 - ubuntu-latest - x64	3m 43s
CSS for HTML themes	38s
Julia 1.6 - macos-latest - x64	7m 50s
Spell Check with Typos	3s
Julia 1.6 - windows-latest - x64	20m 33s
Julia 1 - ubuntu-latest - x64	3m 41s
Julia 1 - macos-latest - x64	7m 4s
Julia 1 - windows-latest - x64	7m 21s
Julia nightly - ubuntu-latest - x64	5m 1s
Julia nightly - macos-latest - x64	7m 9s
Julia nightly - windows-latest - x64	7m 11s
Julia 1 - ubuntu-latest - x86	5m 24s
	1h 31m 58s

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