[Bug] d.classList is undefined

[BeishaoCao-db]

Reproducible in vscode.dev or in VS Code Desktop?

• Not reproducible in vscode.dev or VS Code Desktop

Reproducible in the monaco editor playground?

• Not reproducible in the monaco editor playground

Monaco Editor Playground Link

No response

Monaco Editor Playground Code

No response

Reproduction Steps

No response

Actual (Problematic) Behavior

No response

Expected Behavior

No response

Additional Context

I cannot repro in stack trace or even our prod, just adding another datapoint here. Monaco version is 0.43 and I see something same happens to 0.44 before:
#4296

Stack trace if useful:

'd.classList is undefined'
at _j (monaco-editor/esm/vs/editor/contrib/hover/browser/hover.js:154:67)
at _onEditorMouseMove (node_modules/monaco-editor/esm/vs/editor/contrib/hover/browser/hover.js:69:68)
at value (node_modules/monaco-editor/esm/vs/base/common/event.js:864:21)
at _deliver (node_modules/monaco-editor/esm/vs/base/common/event.js:875:17)
at _deliverQueue (node_modules/monaco-editor/esm/vs/base/common/event.js:899:17)
at fire (node_modules/monaco-editor/esm/vs/editor/browser/widget/codeEditorWidget.js:1522:14)
at fire (node_modules/monaco-editor/esm/vs/editor/browser/widget/codeEditorWidget.js:1411:67)
at call (node_modules/monaco-editor/esm/vs/editor/browser/view/viewUserInputEvents.js:34:72)
at emitMouseMove (node_modules/monaco-editor/esm/vs/editor/browser/view/viewController.js:243:29)
at emitMouseMove (node_modules/monaco-editor/esm/vs/editor/browser/controller/mouseHandler.js:190:28)
at _onMouseMove (node_modules/monaco-editor/esm/vs/editor/browser/controller/mouseHandler.js:29:17)
at callback (node_modules/monaco-editor/esm/vs/editor/browser/editorDom.js:129:69)