fix: tx context gas meter is shared at the beginning

ref: cosmos#19613

Before the ante handler set the gas meter using tx gas-wanted, the gas meter in
ctx remains a globally shared one, although it don't have bad effect right now,
but it's a race condition when executing in parallel.

baseapp/baseapp.go

@@ -668,7 +668,8 @@ func (app *BaseApp) getContextForTx(mode execMode, txBytes []byte) sdk.Context {
 		panic(fmt.Sprintf("state is nil for mode %v", mode))
 	}
 	ctx := modeState.Context().
-		WithTxBytes(txBytes)
+		WithTxBytes(txBytes).
+		WithGasMeter(storetypes.NewInfiniteGasMeter())
 	// WithVoteInfos(app.voteInfos) // TODO: identify if this is needed
 
 	ctx = ctx.WithIsSigverifyTx(app.sigverifyTx)