* Build VS Code using TS 4.4
* Remove usages of deprecated `ClientRectList`
* Add any casts for missing `caretRangeFromPoint`
* Add temporary any casts for `zoom` css propery
This non-standard css property no longer exists in lib.dom.d.ts
* MouseWheelEvent -> WheelEvent
* Pick up new TS nightly
Co-authored-by: Alexandru Dima <alexdima@microsoft.com>