* fix: remove unnecessary tx field in ProtocolComponent
* chore: move ambient protobuf files to ambient module
* chore: remove dependency on common message types
This allows us to isolate the ambient specific messages within the ambient module
* feat: update ambient substream with new message structs
* chore: update substream configs
And remove use of deprecated BlockContractChanges.
* feat: implement From for AmbientProtocolComponent to ProtocolComponent
