Disable implicit animations of CAConstraintLayoutManager.

MyConstraintLayoutManager.swift

import Cocoa

class MyConstraintLayoutManager: CAConstraintLayoutManager {
	
	var isImplicitAnimationsDisabled: Bool = true
	
	override func layoutSublayers(of layer: CALayer) {
		// サブレイヤーのレイアウト時の暗黙アニメーションを無効化
		CATransaction.begin()
		CATransaction.setDisableActions(self.isImplicitAnimationsDisabled)
		
		super.layoutSublayers(of: layer)
		
		CATransaction.commit()
	}

}