feat(qsystem): native gateset decomposition improvements #4037

Job	Run time
Check for changes	7s
Check Rust code 🦀	2m 20s
tests (Rust 1.85)	3m 17s
tests (Rust beta)	4m 37s
Continuous benchmarking 🏋️	5m 9s
Check Python code 🐍	0s
tests (Rust stable, no features)	1m 21s
tests (Rust stable, all features)	2m 52s
tests (Rust nightly, coverage)	3m 43s
Check extension versions	0s
tests (Python, coverage)	0s
Check standard extensions	48s
Required checks 🦀+🐍	3s
	24m 17s

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