feat: Utilize SMT store in cosmos-sdk app #111

[Manav-Aggarwal]

Description

For Cevmos' Block Fraud Proofs we need to have a SMT based store. We want to try and backport the one from v0.46.x.

Utilize SMT in Baseapp - follow up to #231

Closes: #111

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[Manav-Aggarwal]

Since cosmos-sdk v0.46 supports tendermint v0.34 now, this PR is not needed. We'll be closing this PR and prioritizing #245 directly in cosmos-sdk 0.46