…#4729)

### Description

- implements `_outbound` and `_inbound` internal amount transforms for
use in scaling warp routes
- simplify `HypNativeScaled` implementation

### Backward compatibility

Yes

### Testing

Existing HypNative Scaled Unit Tests

…4673)

### Description

- fixes misuse of aggregation hook funds for relaying messages by making
sure msg.value is adequate and refunding if excess.

### Drive-by changes

- None

### Related issues

- related to
#3437

### Backward compatibility

No, needs new deployments of aggregationHooks

### Testing

Unit