[Bug] d.classList is undefined

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:
https://github.com/microsoft/monaco-editor/issues/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)

Start with monaco-editor/esm/vs/editor/contrib/hover/browser/hover.js at line 154 and trace the hover mouse-move path shown in the stack trace through the related event files. Reproduce the reported d.classList failure before determining a fix; done means the hover path no longer throws when that condition occurs.