Set block_index when attaching created canister #34447

Job	Run time
spelling	4m 4s
cargo-tests	9m 50s
formatting	1m 41s
svelte-lint	1m 35s
vitest-shard-1-of-2	4m 6s
vitest-shard-2-of-2	4m 2s
Config is as expected	35s
Can get NNS proposal args	0s
IC Commit	26s
Migration test utilities work	18s
minor-version-bump-works	1m 47s
Release template	3m 28s
ShellCheck	19s
small-tests (ubuntu-20.04)	1m 38s
The nns-dapp npm and cargo versions should match	57s
small-tests (macos-13)	2m 35s
checks-pass	3s
	37m 24s

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