dispatch scroll event

lib/lazy/web/web-lazy-loader-after.js

@@ -29,5 +29,6 @@
 	delete screen.height;
 	delete screen.width;
 	dispatchEvent(new UIEvent("resize"));
+	dispatchEvent(new UIEvent("scroll"));
 
 })();

lib/lazy/web/web-lazy-loader-before.js

@@ -29,5 +29,6 @@
 	screen.__defineGetter__("height", () => document.documentElement.scrollHeight);
 	screen.__defineGetter__("width", () => document.documentElement.scrollWidth);
 	dispatchEvent(new UIEvent("resize"));
+	dispatchEvent(new UIEvent("scroll"));
 
 })();