refactor: Mark tips as beta (cosmos#12089)

## Description

Following our SDK call, we decided to mark the Tip decorator as beta for now, and not include it in the default posthandler chain.

This PR also fixes events not all included in the response in SimulateTx.



---

### Author Checklist

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- [ ] 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`
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- [ ] updated the relevant documentation or specification
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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
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
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app.go

@@ -436,12 +436,7 @@ func NewSimApp(
 	// meaning that both `runMsgs` and `postHandler` state will be committed if
 	// both are successful, and both will be reverted if any of the two fails.
 	//
-	// The SDK exposes a default postHandlers chain, which comprises of only
-	// one decorator: the Transaction Tips decorator. However, some chains do
-	// not need it by default, so feel free to comment the next line if you do
-	// not need tips.
-	// To read more about tips:
-	// https://docs.cosmos.network/main/core/tips.html
+	// The SDK exposes a default empty postHandlers chain.
 	//
 	// Please note that changing any of the anteHandler or postHandler chain is
 	// likely to be a state-machine breaking change, which needs a coordinated
@@ -480,9 +475,7 @@ func (app *SimApp) setAnteHandler(txConfig client.TxConfig, indexEventsStr []str
 
 func (app *SimApp) setPostHandler() {
 	postHandler, err := posthandler.NewPostHandler(
-		posthandler.HandlerOptions{
-			BankKeeper: app.BankKeeper,
-		},
+		posthandler.HandlerOptions{},
 	)
 	if err != nil {
 		panic(err)