fix(stf,server/v2/cometbft): fix default events + improve codec handling #76024

Job	Run time
test-integration	4m 9s
split-test-files	16s
test-system	4m 9s
test-clientv2	38s
test-core	32s
test-coretesting	31s
test-depinject	35s
test-errors	33s
test-sim-nondeterminism	3m 53s
test-collections	32s
test-collections-protocodec	30s
test-confix	38s
test-cosmovisor	30s
test-hubl	32s
test-indexer-postgres	29s
test-math	29s
test-orm	33s
test-schema	32s
test-schema-testing	24s
test-simapp	1m 25s
test-simapp-v2	4m 7s
test-store	44s
test-store-v2	39s
test-log	34s
test-x-accounts	36s
test-x-accounts-base	31s
test-x-accounts-lockup	38s
test-x-accounts-multisig	28s
test-x-circuit	41s
test-x-protocolpool	33s
test-x-nft	31s
test-x-tx	29s
test-x-authz	41s
test-x-distribution	32s
test-x-bank	37s
test-x-evidence	32s
test-x-feegrant	31s
test-x-gov	32s
test-x-group	42s
test-x-slashing	40s
test-x-params	31s
test-x-staking	40s
test-x-upgrade	34s
test-x-consensus	32s
test-x-epochs	41s
test-x-mint	31s
tests (00)	3m 29s
tests (01)	3m 28s
tests (02)	3m 31s
tests (03)	3m 30s
repo-analysis	1s
	54m 36s

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