Corresponds to the case where zkmsg exists in tx when multiple msg is included

[Mdaiki0730]

Summary

Corresponds to the case where zkmsg exists in tx when multiple msg is included.

Problem Definition

The changes made by this PR cannot handle cases where multiple zkmsg are included or when normal msg and zkmsg are mixed.
https://github.com/Finschia/finschia-sdk/pull/1279/files#diff-cba4f1f61d9ce010f6671b63f1a7718495c928b9134a17540a5a0be5eb7fc2aaR169

Proposal

We discuss from these designs.

• What to do about deduct gas fee when there are multiple zkmsg
• When normal msg and zkmsg are mixed