Cannot hover over hover widget in panel chat code block

[ulugbekna]

Repro:

1. Ask copilot for a code block with a symbol that can be hovered over, eg "typescript array map example"
2. Hover over map -- hover widget appears, but I can't hover over it (not the case with ordinary editor)

Screen.Recording.2024-05-06.at.17.40.55.mov

Version: 1.90.0-insider
Commit: ccba2fc
Date: 2024-05-06T08:08:03.248Z
Electron: 28.2.8
ElectronBuildId: 27744544
Chromium: 120.0.6099.291
Node.js: 18.18.2
V8: 12.0.267.19-electron.0
OS: Darwin arm64 23.4.0

[mjbvz]

This seems to happen for any editor that uses overflowWidgetsDomNode. You can see the same behavior inside the notebook diff editor for example. After setting overflowWidgetsDomNode, the editor doesn't seem to get the mousemove event when the mouse moves over the hover content widget. Without overflowWidgetsDomNode, the editor does

@alexdima @hediet Do you have any ideas on how we might fix this?