Proof of concept: Use empty optionals #26697

Job	Run time
cargo-tests (ubuntu-20.04)	5m 0s
formatting	55s
IC Commit	8s
ShellCheck	14s
spelling	4m 7s
svelte-lint	10s
svelte-tests	11s
Asset chunking works	7s
Test canister_ids tool (ubuntu-20.04)	3s
Config is as expected	23s
Test canister_ids tool (macos-13)	20s
Can get NNS proposal args	0s
docker-build-cli-flags	2s
download-nns-dapp-ci-wasm (ubuntu-20.04)	19s
Migration test utilities work	13s
minor-version-bump-works	1m 10s
download-nns-dapp-ci-wasm (macos-13)	43s
Test release-sop script (ubuntu-20.04)	37s
Test release-sop script (macos-13)	37s
Release template	3m 18s
Test split-changelog script (ubuntu-20.04)	3s
Test split-changelog script (macos-13)	17s
Find unused i18n messages	12s
The nns-dapp npm and cargo versions should match	47s
network-config	12s
checks-pass	5s
	20m 13s

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