fix(simulation): Fix all problems make test-sim-custom-genesis-fast for simulation test. (backport #17911) (#20909)

Co-authored-by: Chenqun Lu <luchenqun@qq.com>
Co-authored-by: Julien Robert <julien@rbrt.fr>

x/simulation/client/cli/flags.go

@@ -30,6 +30,7 @@ var (
 	FlagVerboseValue     bool
 	FlagPeriodValue      uint
 	FlagGenesisTimeValue int64
+	FlagSigverifyTxValue bool
 )
 
 // GetSimulatorFlags gets the values of all the available simulation flags
@@ -56,6 +57,7 @@ func GetSimulatorFlags() {
 	flag.BoolVar(&FlagVerboseValue, "Verbose", false, "verbose log output")
 	flag.UintVar(&FlagPeriodValue, "Period", 0, "run slow invariants only once every period assertions")
 	flag.Int64Var(&FlagGenesisTimeValue, "GenesisTime", 0, "override genesis UNIX time instead of using a random UNIX time")
+	flag.BoolVar(&FlagSigverifyTxValue, "SigverifyTx", true, "whether to sigverify check for transaction ")
 }
 
 // NewConfigFromFlags creates a simulation from the retrieved values of the flags.