Fix recursive struct issue #6245

Job	Run time
Linux x86-64	30m 3s
Docs	4m 5s
Linux Arm	13m 34s
Multiarch Container Image	16m 45s
Mac Arm	9m 3s
Repolinter	46s
Mac Intel	40m 6s
Stdlib	2m 27s
Windows	48m 22s
Polkadot Integration test with subxt	8m 28s
Anchor Integration test	6m 6s
Solana Integration test	3m 34s
Polkadot Integration test	9m 29s
Visual Code Extension	1m 26s
Mac Universal Binary	1m 10s
	3h 15m 24s

Provide feedback