optimize dropdown search#3768
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AnnMarieW wants to merge 3 commits intoplotly:devfrom
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Closes #3616
This PR changes the
dropdownSearch.tsso it builds the search index once during option sanitization and reuses it instead of rebuilding the index on every search input update.I tested the example included in issue 3616 with 80,000 options and search performance is now comparable to Dash 3.4.