Rename MessageId?

[aurexav]

type MessageId = (LaneId, MessageNonce);

I found that Cumulus also defines a type named MessageId.

https://sourcegraph.com/github.com/polkadot-js/api/-/blob/packages/types/src/interfaces/cumulus/definitions.ts?L13

I have to overwrite it. Otherwise, I got:

Unable to retrieve the specified block details. Unable to decode storage system.events:: 
createType(Vec<EventRecord>):: decodeU8a: failed at 0x000000500a000001… 
on : {"phase":"Phase","event":"Event","topics":"Vec<Hash>"}:: decodeU8a: failed at 0x2c01706167727274… 
on topics: Vec<Hash>:: decodeU8a: failed at 0x0000000000000000… 
on : H256:: Expected at least 32 bytes (256 bits), found 28 bytes