BREAKING CHANGE: WrappedTokenConfig and ReceiverConfig gain an authority field and CrossZoneConfig gains source_authority, so the config layouts change and every program image id moves.
BREAKING CHANGE: the wrapped-token config PDA holds a borsh WrappedTokenConfig
(minter plus authorized source pairs) rather than a bare minter id, and
Instruction::InitConfig takes it as a single field. Mint now refuses a source the
token has not authorized, checked against the inbox's source marker. The
wrapped_token image id moves, and bridge_lock's with it, since it links
wrapped_token_core.
Integrates origin/main (per-program-crate refactor) and re-homes the cross-zone messaging feature onto it.
BREAKING CHANGE: Genesis state root changes. This registers six builtin programs
(cross_zone_outbox, cross_zone_inbox, ping_sender, ping_receiver, bridge_lock,
wrapped_token) and seeds their genesis accounts (the wrapped_token authorized
minter config, the per-zone inbox config, and optional bridge-lock holdings).
Building the new cores alongside the existing builtins also enables serde/alloc
for the shared programs build, regenerating every builtin program image id. All
nodes must upgrade together.