Sims

chore: add more unittest for `MsgGrantPermission` and `MsgRevokePermi… #3409

Job	Run time
build	28s
cleanup-runs	5s
install-runsim	34s
test-sim-after-import-short	28s
test-sim-nondeterminism-short	28s
test-sim-import-export-short	31s
test-sim-multi-seed-short	22s
	2m 56s

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