Error while deleting transition in Animation Graph

[Biodam]

Cocos Creator version

3.5.1

System information

Windows 11

Issue description

Press delete with a animation graph transition selected

Relevant error log output

[Window] Assertion failed: Error: Assertion failed: at process:scene at assertIsTrue (C:\Projects\BitCake\cocos-engine\bin.cache\dev\editor\bundled\index.js:216917:11) at StateMachine.disconnect (C:\Projects\BitCake\cocos-engine\bin.cache\dev\editor\bundled\index.js:209982:33) at SceneAnimationGraph.removeTransition (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\animation-graph\dist\scene-animation-graph.ccc:1:27655) at Object.removeTransition (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\animation-graph\dist\scene.ccc:1:3853) at PluginManager.executeSceneScript (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\scene\dist\script\3d\manager\plugin.ccc:1:2205) at PrefabSceneFacade.executeSceneScriptMethod (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\scene\dist\script\3d\facade\general-scene-facade.ccc:1:10018) at SceneFacadeManager.executeSceneScriptMethod (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\scene\dist\script\3d\facade\scene-facade-manager.ccc:1:17037) at C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\scene\dist\script\3d\manager\ipc.ccc:1:1776 at EventEmitter. (C:\CocosDashboard_1.2.0\resources.editors\Creator\3.5.1\resources\app.asar\builtin\scene\dist\script\public\ipc\webview.ccc:1:767) at EventEmitter.emit (events.js:315:20)

Steps to reproduce

1. Create a animation graph transition
2. Press delete with it selected

(Maybe a open/close of the animation graph is needed to reproduce the error)

Minimal reproduction project

No response