fix: Fix v0.45->v0.46 migration (cosmos#12028)

## Description

closes cosmos#12027 

- Add `tendermint key-migrate` subcommand
- Fix in-place store migrations

Test:
- on v0.45 node, make a proposal to update software, make it pass
- wait for node to halt
- on v0.46 binary, run `simd tendermint key-migrate`
- on v0.46 binary, run `simd start --mode validator`
- make sure the v0.46 node runs correctly



---

### 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...

- [ ] 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
- [ ] 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)

app.go

@@ -328,9 +328,6 @@ func NewSimApp(
 	// set the governance module account as the authority for conducting upgrades
 	app.UpgradeKeeper = upgradekeeper.NewKeeper(skipUpgradeHeights, keys[upgradetypes.StoreKey], appCodec, homePath, app.BaseApp, authtypes.NewModuleAddress(govtypes.ModuleName).String())
 
-	// RegisterUpgradeHandlers is used for registering any on-chain upgrades
-	app.RegisterUpgradeHandlers()
-
 	app.NFTKeeper = nftkeeper.NewKeeper(keys[nftkeeper.StoreKey], appCodec, app.AccountKeeper, app.BankKeeper)
 
 	// create evidence keeper with router
@@ -393,6 +390,10 @@ func NewSimApp(
 	app.ModuleManager.RegisterInvariants(&app.CrisisKeeper)
 	app.ModuleManager.RegisterRoutes(app.Router(), app.QueryRouter(), encodingConfig.Amino)
 
+	// RegisterUpgradeHandlers is used for registering any on-chain upgrades.
+	// Make sure it's called after `app.mm` and `app.configurator` are set.
+	app.RegisterUpgradeHandlers()
+
 	// add test gRPC service for testing gRPC queries in isolation
 	testdata_pulsar.RegisterQueryServer(app.GRPCQueryRouter(), testdata_pulsar.QueryImpl{})
 

upgrades.go

@@ -17,35 +17,7 @@ const UpgradeName = "v045-to-v046"
 
 func (app SimApp) RegisterUpgradeHandlers() {
 	app.UpgradeKeeper.SetUpgradeHandler(UpgradeName,
-		func(ctx sdk.Context, plan upgradetypes.Plan, _ module.VersionMap) (module.VersionMap, error) {
-			// We set fromVersion to 1 to avoid running InitGenesis for modules for
-			// in-store migrations.
-			//
-			// If you wish to skip any module migrations, i.e. they were already migrated
-			// in an older version, you can use `modulename.AppModule{}.ConsensusVersion()`
-			// instead of `1` below.
-			//
-			// For example:
-			// "auth":	auth.AppModule{}.ConsensusVersion()
-			fromVM := map[string]uint64{
-				"auth":         1,
-				"authz":        1,
-				"bank":         1,
-				"capability":   1,
-				"crisis":       1,
-				"distribution": 1,
-				"evidence":     1,
-				"feegrant":     1,
-				"gov":          1,
-				"mint":         1,
-				"params":       1,
-				"slashing":     1,
-				"staking":      1,
-				"upgrade":      1,
-				"vesting":      1,
-				"genutil":      1,
-			}
-
+		func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
 			return app.ModuleManager.RunMigrations(ctx, app.Configurator(), fromVM)
 		})