[loader-v2] Addressing simple loader V2 TODOs #70522

Job	Run time
file_change_determinator	11s
rust-consensus-only-smoke-test	0s
rust-consensus-only-unit-test	0s
rust-doc-tests	4m 37s
rust-unit-tests	0s
general-lints	27s
rust-cargo-deny	1m 56s
rust-lints	3m 36s
rust-smoke-tests	26m 50s
rust-cryptohasher-domain-separation-check	0s
rust-check-merge-base	1m 42s
rust-targeted-unit-tests	18m 29s
rust-build-cached-packages	2m 18s
	1h 0m 6s

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