fix(client): don't marshal zero-ed fields #75597

Job	Run time
split-test-files	19s
test-integration	8m 56s
test-system	3m 34s
test-clientv2	1m 5s
test-core	35s
test-coretesting	25s
test-depinject	44s
test-errors	52s
test-sim-nondeterminism	5m 41s
test-collections	37s
test-indexer-postgres	32s
test-math	40s
test-schema	39s
test-schema-testing	36s
test-simapp	2m 22s
test-simapp-v2	4m 0s
test-collections-protocodec	27s
test-confix	38s
test-cosmovisor	40s
test-hubl	42s
test-log	45s
test-orm	35s
test-store	47s
test-store-v2	51s
test-x-accounts	37s
test-x-accounts-base	29s
test-x-accounts-lockup	28s
test-x-accounts-multisig	25s
test-x-circuit	39s
test-x-distribution	38s
test-x-feegrant	37s
test-x-nft	37s
test-x-protocolpool	37s
test-x-tx	35s
test-x-authz	37s
test-x-evidence	37s
test-x-group	38s
test-x-gov	37s
test-x-params	37s
test-x-slashing	38s
test-x-staking	38s
test-x-upgrade	48s
test-x-bank	37s
test-x-consensus	37s
test-x-epochs	40s
test-x-mint	45s
tests (00)	8m 16s
tests (01)	3m 54s
tests (02)	4m 12s
tests (03)	4m 38s
repo-analysis	49s
	1h 12m 22s

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