fix: chain-main upgrade cosmos-sdk v0.50 mismatch apphash

[songgaoye]

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

port from crypto-org-chain/cronos#1862

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[thomas-nguy]

Why do we need this fix in master branch?

This fix is only for chain-main v6

[songgaoye]

Why do we need this fix in master branch?

This fix is only for chain-main v6

Do you mean create a new branch release/chain-main-fix-apphash and submit this pull request?

[thomas-nguy]

maybe change the target of the PR to release/chain-main-fix-apphash instead of master

[songgaoye]

fixed it.