Working on fixing a classic #AppKit and #SwiftUI bug where the `NSTextView` will aggressively override the `NSCursor` to `iBeam` (which is default for textviews) even when you specify that a different cursor style should be used. In this case, I am trying to get the `NSCursor.pointingHand` cursor to show when hovering an image attachment. For video attachments, the normal arrow cursor should show. #dev