SECFIND-244: Set block_index when attaching created canister (#6118) #34456

Job	Run time
cargo-tests	9m 32s
formatting	1m 39s
IC Commit	23s
ShellCheck	21s
spelling	4m 2s
svelte-lint	1m 28s
vitest-shard-2-of-2	4m 4s
vitest-shard-1-of-2	4m 6s
Config is as expected	29s
Can get NNS proposal args	0s
Migration test utilities work	16s
minor-version-bump-works	2m 1s
Release template	3m 21s
small-tests (ubuntu-20.04)	1m 41s
small-tests (macos-13)	2m 18s
The nns-dapp npm and cargo versions should match	58s
checks-pass	2s
	36m 41s

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