refactor!: Simplify tket1 conversion errors #1230

Job	Run time
Check for changes	8s
Check Rust code 🦀	1m 33s
Build benchmarks 🏋️	3m 30s
Check Python code 🐍	36s
tests (Python)	1m 11s
tests (Rust 1.75)	1m 54s
tests (Rust stable, all features)	1m 27s
tests (Rust stable, no features)	1m 54s
tests (Rust beta)	1m 33s
tests (Rust nightly-2024-05-22)	1m 34s
Check Python coverage 🐍	1m 31s
Check Rust coverage 🦀	2m 47s
Required checks 🦀+🐍	1s
	19m 39s

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