[BP: main <- #1087]
fix(main)!: check transactions succeed after they're included in a block
#1095
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Summary
Sometimes a transaction returns code 0 initially, but then fails when a validator goes to actually include it in a block. This PR adds code to cosmos' ExecTx to make sure transactions are verified after their inclusion in a block; if they fail at any stage of proceedings, an error is returned.
This is an automatic backport of pull request #1087 done by Mergify.