LayaAir 3.3.0 --> Index out of range: -1 at localhost:18090/libs/laya.core.js:17473 (layaAir 3.2.2 = no error, working as expected.)

[Lykdraft]

Describe the bug
LayaAir 3.3.0 --> Error: Index out of range: -1 at localhost:18090/libs/laya.core.js:17473

To Reproduce
Steps to reproduce the behavior:
use LayaAir 3.3.0

Expected behavior
Script should work, like in LayaAir 3.2.2
This is a snippet of the code, where seemingly the script breaks in LayaAir 3.3.0:

```
if (this.isTypewriter){
        console.log("Typewriter effect started");
        
        // Start typewriter effect
        await new Promise<void>((resolve) => {
            this.typewriterEffect.play(content, () => {
                this.isTypingComplete = true;
                console.log("Typewriter effect complete");
                resolve();
            });
        });
    } else {
        await this.fadeInTextByLine(content);
    }```

if this.isTypewriter is set to true, console.log shows "Typewriter effect started" but not the "Typewriter effect complete". The Error Index out of range: -1 at localhost:18090/libs/laya.core.js:17473 shows. And no text is printed in the game. In Laya 3.2.2 "Typewriter effect complete" shows and the script works without any problem.

I think something in the core is not as it was before. Any ideas?

Best,
tL.