[WASM Parser] Label is missed on all tracks

[KunXi-Fox]

Hi there,

Hope everything goes well!

I found that when I using WASM parser, all track.label is been undefined.

The details see below screenshot:

With WASM parser:

Without WASM parser:

Could someone help fix this issue?

Thanks in advance!

[Florent-Bouisset]

Hello, you are right there is an issue with the WASM parser when parsing label, I will look at it