chore: fix wasm client tests

[faddat]

• Unit tests: temporarily disable grandpa testing, update TestInitializeTendermint(), remove unnecessary test from TestConsensusStateValidateBasic(), change the update state result's height type.
• TestVerifyMembershipGrandpa working again
• TestVerifyNonMembershipGrandpa, TestInitializeGrandpa, TestStatusGrandpa, and TestExportGenesisGrandpa working again
• TestCheckSubstituteAndUpdateStateGrandpa, TestVerifyHeaderGrandpa, TestUpdateStateGrandpa, TestVerifyUpgradeGrandpa working again
• Run linter
• Add instructions for re-creating grandpa test data
• Add space after comment delimiter

Description

Note: Steve from Strangelove is the person this PR should be attributed to. This is just a cherry picking of the steve/feat/wasm-clients branch from strangelove.

https://github.com/strangelove-ventures/ibc-go/commits/steve/feat/wasm-clients

Many thanks to Steve (@misko9 ) for finding and solving the issue that was causing tests to fail.

Commit Message / Changelog Entry

fix: wasm client tests (credit to @misko9 )

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[faddat]

• Consensus state in the wasm client #4612

[crodriguezvega]

@faddat, is this a duplicate of #4306? Or are there any extra changes in this PR? If both PRs are the same, I'd prefer to close this one, since we already started reviewing Steve's PR and left there some comments.

[faddat]

Thanks for bringing this to my attention! this is 100% a dupe of @misko9 's pr.