refactor: Revert middlewares to antehandlers (part 1/2: baseapp) (#11979)

## Description

We decided to remove middlewares, and revert to antehandlers (exactly like in v045) for this release. A better middleware solution will be implemented after v046.

ref: #11955 

Because this refactor is big, so I decided to cut it into two. This PR is part 1 of 2:
- part 1: Revert baseapp and middlewares to v0.45.4
- part 2: Add posthandler, tips, priority

---
 Suggestion for reviewers:

This PR might still be hard to review though. I think it's easier to actually review the diff between v0.45.4 and this PR:
- `git difftool -d v0.45.4..am/revert-045-baseapp baseapp`
  - most important parts to review: runTx, runMsgs
- `git difftool -d v0.45.4..am/revert-045-baseapp x/auth/ante`
  - only cosmetic changes
- `git difftool -d v0.45.4..am/revert-045-baseapp simapp`



---

### Author Checklist

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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
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- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
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- [ ] confirmed all CI checks have passed

### Reviewers Checklist

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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
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- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

x/authz/keeper/keeper.go

@@ -8,13 +8,13 @@ import (
 
 	"github.com/tendermint/tendermint/libs/log"
 
+	"github.com/cosmos/cosmos-sdk/baseapp"
 	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
-	"github.com/cosmos/cosmos-sdk/x/auth/middleware"
 	"github.com/cosmos/cosmos-sdk/x/authz"
 )
 
@@ -26,12 +26,12 @@ const gasCostPerIteration = uint64(20)
 type Keeper struct {
 	storeKey   storetypes.StoreKey
 	cdc        codec.BinaryCodec
-	router     *middleware.MsgServiceRouter
+	router     *baseapp.MsgServiceRouter
 	authKeeper authkeeper.AccountKeeper
 }
 
 // NewKeeper constructs a message authorization Keeper
-func NewKeeper(storeKey storetypes.StoreKey, cdc codec.BinaryCodec, router *middleware.MsgServiceRouter, ak authkeeper.AccountKeeper) Keeper {
+func NewKeeper(storeKey storetypes.StoreKey, cdc codec.BinaryCodec, router *baseapp.MsgServiceRouter, ak authkeeper.AccountKeeper) Keeper {
 	return Keeper{
 		storeKey:   storeKey,
 		cdc:        cdc,