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This PR attempts to boost perf for loaders which need decoding utf8 from an uint8array;
The implementation aligns to
new TextDecoder('utf-8', { fatal: false })
meaning that malformed data will be substituted with replacement character.Benchmark: https://jsperf.app/genija/2
in Edge 124.0.0.0 / Windows, it outperforms the old approach #12933 and TextDecoder both by ~90%
Tests: https://jsfiddle.net/sa37f1qh/