Improvement: Optimize RunEnd array filter for sparse masks #6715

Job	Run time
bench test	8m 37s
License Check and Audit Check	3m 6s
Rust build (all-features)	5m 37s
Check generated proto/fbs files are up to date	40s
miri	8m 10s
Python (lint)	3m 48s
Rust build (default features)	3m 22s
Rust build (with tokio dispatcher)	5m 32s
Python (test)	3m 48s
Rust (docs)	1m 8s
Rust (lint)	5m 47s
Rust build (with compio dispatcher)	3m 21s
Rust build (with tokio+compio dispatcher)	5m 54s
Rust (tests)	5m 53s
Rust build (wasm32 with default features)	1m 38s
	1h 6m 21s

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