bug表现：点击运行后切换到Chrome浏览器，运行几分钟后切换（1-10次不等）回编辑器，出现场景在场景编辑器里面卡住的情况，右键拖动的时候，刻度标尺会动，界面不会动，我把控制台往上拉的时候，场景编辑器就会变成黑屏，然后控制台出现reading ‘timers’ 的报错。
点击开发者->重新加载 后变回正常。用了几分钟后又变成这样，太影响工作效率了。
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Creator 版本： 3.8.6
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目标平台： Chrome
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重现方式：运行后几分钟出现
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首个报错： [Scene] Cannot read properties of undefined (reading ‘timers’)
TypeError: Cannot read properties of undefined (reading ‘timers’)
at Scheduler.unscheduleForTimer (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:9416:34) -
之前哪个版本是正常的：第一次用
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手机型号： 还没到
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手机浏览器： 还没到
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编辑器操作系统： Win10
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重现概率： 100%
完整报错：
[Scene] Cannot read properties of undefined (reading ‘timers’)
TypeError: Cannot read properties of undefined (reading ‘timers’)
at Scheduler.unscheduleForTimer (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:9416:34)
at CallbackTimer.cancel (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:8995:29)
at CallbackTimer.update (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:8978:22)
at Scheduler.update (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:9146:34)
at Director.tick (G:\Download\Creator\3.8.6\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:10858:34)
at EngineManager.tickInEditMode (G:\Download\Creator\3.8.6\resources\app.asar\builtin\scene\dist\script\3d\manager\engine\index.ccc:1:3044)
at EngineManager._tick (G:\Download\Creator\3.8.6\resources\app.asar\builtin\scene\dist\script\3d\manager\engine\index.ccc:1:4087)
at sentryWrapped (G:\Download\Creator\3.8.6\resources\app.asar\node_modules\src\helpers.ts
17)