Adjust ok_or and map_or to _else for lazy computation #67641

Job	Run time
file_change_determinator	11s
rust-consensus-only-unit-test	0s
rust-doc-tests	4m 47s
rust-unit-tests	0s
rust-consensus-only-smoke-test	0s
rust-cargo-deny	1m 50s
rust-lints	3m 31s
general-lints	26s
rust-smoke-tests	24m 49s
rust-build-cached-packages	2m 3s
rust-check-merge-base	1m 57s
rust-cryptohasher-domain-separation-check	0s
rust-targeted-unit-tests	17m 5s
	56m 39s

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