fix: Fix group simulations for MsgCreateGroupWithPolicy (#11261)

## Description

Closes: https://github.com/cosmos/cosmos-sdk/issues/11230



---

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- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
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x/group/simulation/operations.go

@@ -72,7 +72,7 @@ const (
 	WeightMsgUpdateGroupPolicyDecisionPolicy = 5
 	WeightMsgUpdateGroupPolicyMetadata       = 5
 	WeightMsgWithdrawProposal                = 20
-	WeightMsgCreateGroupWithPolicy           = 100
+	WeightMsgCreateGroupWithPolicy           = 50
 )
 
 // WeightedOperations returns all the operations from the module with their respective weights
@@ -179,10 +179,10 @@ func WeightedOperations(
 			weightMsgCreateGroupPolicy,
 			SimulateMsgCreateGroupPolicy(ak, bk, k),
 		),
-		// simulation.NewWeightedOperation(
-		// 	weightMsgCreateGroupWithPolicy,
-		// 	SimulateMsgCreateGroupWithPolicy(ak, bk),
-		// ),
+		simulation.NewWeightedOperation(
+			weightMsgCreateGroupWithPolicy,
+			SimulateMsgCreateGroupWithPolicy(ak, bk),
+		),
 	}
 
 	wPostCreateProposalOps := simulation.WeightedOperations{

x/group/simulation/operations_test.go

@@ -53,7 +53,7 @@ func (suite *SimTestSuite) TestWeightedOperations() {
 	}{
 		{simulation.WeightMsgCreateGroup, group.MsgCreateGroup{}.Route(), simulation.TypeMsgCreateGroup},
 		{simulation.WeightMsgCreateGroupPolicy, group.MsgCreateGroupPolicy{}.Route(), simulation.TypeMsgCreateGroupPolicy},
-		// {simulation.WeightMsgCreateGroupWithPolicy, group.MsgCreateGroupWithPolicy{}.Route(), simulation.TypeMsgCreateGroupWithPolicy},
+		{simulation.WeightMsgCreateGroupWithPolicy, group.MsgCreateGroupWithPolicy{}.Route(), simulation.TypeMsgCreateGroupWithPolicy},
 		{simulation.WeightMsgSubmitProposal, group.MsgSubmitProposal{}.Route(), simulation.TypeMsgSubmitProposal},
 		{simulation.WeightMsgSubmitProposal, group.MsgSubmitProposal{}.Route(), simulation.TypeMsgSubmitProposal},
 		{simulation.WeightMsgWithdrawProposal, group.MsgWithdrawProposal{}.Route(), simulation.TypeMsgWithdrawProposal},