Support exporting trait default fns using a fn without a block #91

Job	Run time
collect-crates	17s
test-crate (examples/fungible-allowlist)	1m 3s
test-crate (packages/tokens)	1m 13s
test-crate (examples/fungible-capped)	1m 2s
test-crate (packages/access)	1m 8s
test-crate (examples/fungible-pausable)	1m 7s
test-crate (examples/merkle-voting)	1m 3s
test-crate (examples/fungible-vault)	59s
test-crate (packages/contract-utils)	59s
test-crate (examples/nft-sequential-minting)	56s
test-crate (examples/fungible-blocklist)	1m 0s
test-crate (examples/sac-admin-generic)	1m 9s
test-crate (examples/ownable)	55s
test-crate (examples/pausable)	55s
test-crate (examples/nft-royalties)	1m 11s
test-crate (examples/nft-enumerable)	1m 0s
test-crate (examples/nft-access-control)	1m 7s
test-crate (packages/test-utils/event-assertion)	47s
test-crate (examples/fungible-merkle-airdrop)	1m 2s
test-crate (packages/macros)	20s
test-crate (examples/sac-admin-wrapper)	1m 3s
test-crate (examples/multisig/account)	1m 4s
test-crate (examples/multisig/webauthn-verifier)	1m 0s
test-crate (examples/nft-consecutive)	1m 5s
test-crate (examples/upgradeable/upgrader)	56s
test-crate (packages/accounts)	1m 20s
test-crate (examples/multisig/spending-limit-policy)	1m 5s
test-crate (examples/multisig/ed25519-verifier)	1m 2s
test-crate (packages/test-utils/default-impl-macro-test)	49s
test-crate (examples/upgradeable/v1)	51s
test-crate (examples/multisig/threshold-policy)	55s
test-crate (examples/upgradeable/v2)	1m 2s
	31m 25s

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