fix: cleanup v9 tx injection logic #669

Job	Run time
build	3m 6s
prepare	3m 8s
test (TestCCTP_DepositForBurn)	4m 11s
test (TestCCTP_DepositForBurnWithCaller)	4m 11s
test (TestCCTP_ReceiveMessage)	4m 14s
test (TestCCTP_ReceiveMessageWithCaller)	4m 31s
test (TestCCTP_ReplaceDepositForBurn)	4m 22s
test (TestCCTP_UpdateOwner)	3m 25s
test (TestCCTP_UpdateAttesterManager)	3m 25s
test (TestCCTP_UpdatePauser)	3m 32s
test (TestCCTP_UpdateTokenController)	3m 24s
test (TestConformance)	5m 21s
test (TestFiatTFUpdateOwner)	4m 8s
test (TestFiatTFAcceptOwner)	4m 29s
test (TestFiatTFUpdateMasterMinter)	4m 39s
test (TestFiatTFConfigureMinterController)	4m 50s
test (TestFiatTFRemoveMinterController)	4m 12s
test (TestFiatTFConfigureMinter)	4m 7s
test (TestFiatTFRemoveMinter)	4m 18s
test (TestFiatTFUpdatePauser)	4m 36s
test (TestFiatTFPause)	3m 51s
test (TestFiatTFUnpause)	3m 58s
test (TestFiatTFUpdateBlacklister)	4m 27s
test (TestFiatTFBlacklist)	4m 12s
test (TestFiatTFUnblacklist)	4m 6s
test (TestFiatTFMint)	4m 25s
test (TestFiatTFBurn)	4m 2s
test (TestFiatTFAuth)	4m 11s
test (TestFiatTFAuthzGrant)	4m 17s
test (TestFiatTFAuthzSend)	4m 27s
test (TestFiatTFBankSend)	4m 13s
test (TestFiatTFIBCOut)	4m 44s
test (TestFiatTFIBCIn)	5m 7s
test (TestRestrictedModules)	3m 12s
test (TestChainUpgrade)	6m 43s
	2h 28m 4s

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