FB8820682: Since when NSView.setNeedsDisplayInRect does not affects drawRect rectangle

myview.swift

// macOS 11.0 (20A5395g)
// Xcode 12.2 beta 3 (12B5035g)

class MyView: NSView {

    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)

        DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(1)) {
            let rect = NSRect(x: 10, y: 10, width: 10, height: 10)
            print("setNeedsDisplay \(rect)")
            self.setNeedsDisplay(rect)
        }
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override var isOpaque: Bool {
        true
    }

    override func draw(_ dirtyRect: NSRect) {
        print("dirtyRect \(dirtyRect)")

        var rects: UnsafePointer<NSRect>?
        var count = Int()

        getRectsBeingDrawn(&rects, count: &count)
        for i in 0..<count {
            print("rectBeingDrawn \(rects![i])")
        }

        super.draw(dirtyRect)
    }
}

/*
dirtyRect (0.0, 0.0, 932.0, 640.0)
rectBeingDrawn (0.0, 0.0, 932.0, 640.0)
setNeedsDisplay (10.0, 10.0, 10.0, 10.0) <----------
dirtyRect (0.0, 0.0, 932.0, 640.0)
rectBeingDrawn (0.0, 0.0, 932.0, 640.0)
*/