fix: duplicate import (#12778)

## Description

fix the error
```
simapp/test_helpers.go:27:2: ST1019: package "github.com/cosmos/cosmos-sdk/server/types" is being imported more than once (stylecheck)
	"github.com/cosmos/cosmos-sdk/server/types"
	^
simapp/test_helpers.go:28:2: ST1019(related information): other import of "github.com/cosmos/cosmos-sdk/server/types" (stylecheck)
	servertypes "github.com/cosmos/cosmos-sdk/server/types"
```
---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] 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
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

simapp/test_helpers.go

@@ -24,7 +24,6 @@ import (
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	pruningtypes "github.com/cosmos/cosmos-sdk/pruning/types"
 	"github.com/cosmos/cosmos-sdk/server"
-	"github.com/cosmos/cosmos-sdk/server/types"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/testutil/mock"
 	"github.com/cosmos/cosmos-sdk/testutil/network"
@@ -41,7 +40,7 @@ import (
 type SetupOptions struct {
 	Logger  log.Logger
 	DB      *dbm.MemDB
-	AppOpts types.AppOptions
+	AppOpts servertypes.AppOptions
 }
 
 func setup(withGenesis bool, invCheckPeriod uint) (*SimApp, GenesisState) {