[BUG] Trigger doesn't work well on multiple layers of Animation Graph

[PPpro]

Cocos Creator version

3.8.1

System information

Windows 11

Issue description

I got an AnimationGraph asset with two layers. Both config with the Transition condition of Trigger variable.

It seems only the layer 1 is influenced by the Trigger variable.

Relevant error log output

layer 2 state enter by trigger output is also expected.

Steps to reproduce

open the demo project you'll see only the layer 1 state entered.

Minimal reproduction project

here is the demo to reproduce the issue: animTriggerDemo.zip

[PPpro]

@minggo please take a look