Debounce the AudioInvoiceList search input

[RUKAYAT-CODER]

Overview
In src/components/audio/AudioInvoiceList.tsx (lines 58-65) every keystroke calls onFilterChange({ ...filter, search }) with no debounce, so parent filtering/refetch runs on each character typed. Debounce the search change before invoking onFilterChange.

[shogun444]

@shogun444 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi, I’ve reviewed the issue and the related contract flow. I’d like to work on this and can deliver a clean, well-tested implementation. Please assign it to me. Thanks!

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Congratulations, @shogun444! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

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