Small refactor to move call generation inside derive_pub_fn #77

Job	Run time
collect-crates	20s
test-crate (examples/fungible-allowlist)	59s
test-crate (packages/access)	57s
test-crate (packages/macros)	24s
test-crate (examples/fungible-blocklist)	1m 0s
test-crate (examples/fungible-vault)	1m 0s
test-crate (examples/fungible-pausable)	1m 3s
test-crate (packages/tokens)	1m 17s
test-crate (packages/contract-utils)	1m 3s
test-crate (examples/fungible-merkle-airdrop)	1m 7s
test-crate (examples/nft-access-control)	1m 9s
test-crate (examples/merkle-voting)	52s
test-crate (examples/nft-consecutive)	1m 0s
test-crate (examples/ownable)	56s
test-crate (examples/nft-royalties)	2m 26s
test-crate (packages/test-utils/event-assertion)	49s
test-crate (examples/pausable)	2m 11s
test-crate (examples/nft-sequential-minting)	1m 3s
test-crate (examples/nft-enumerable)	58s
test-crate (examples/multisig/account)	1m 3s
test-crate (examples/multisig/spending-limit-policy)	2m 22s
test-crate (examples/sac-admin-generic)	1m 0s
test-crate (examples/sac-admin-wrapper)	59s
test-crate (examples/upgradeable/upgrader)	1m 0s
test-crate (examples/fungible-capped)	57s
test-crate (packages/accounts)	2m 38s
test-crate (examples/multisig/ed25519-verifier)	52s
test-crate (packages/test-utils/default-impl-macro-test)	49s
test-crate (examples/multisig/webauthn-verifier)	59s
test-crate (examples/multisig/threshold-policy)	58s
test-crate (examples/upgradeable/v1)	2m 11s
test-crate (examples/upgradeable/v2)	1m 2s
	37m 24s

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