fix: Use the provider IR instead of creating a new one

[vitsalis]

When using the relayer with custom modules, I get the following errors

2023-11-23T16:50:05.318884Z     info    Could not get signers for msg when attempting to get the fee payer      {"error": "InterfaceRegistry requires a proper address codec implementation to do address conversion"}

This seems to happen due to the creation of the default InterfaceRegistry (which has failing address codecs) instead of the usage of the one under the provider codec.

[vitsalis]

Thanks @Reecepbcups for running the build. Any thoughts on why this fails? On my local machine both make test and make interchaintest-events succeed.

[Reecepbcups]

@vitsalis test here could just be flaky due to Github's CI runners. Will re-run

[vitsalis]

Any updates on this?

[jtieri]

thanks for the contribution!