fix: [capricorn86#1400] Implement document.elementFromPoint

packages/happy-dom/src/nodes/document/Document.ts

@@ -1340,7 +1340,7 @@ export default class Document extends Node {
 	 * 
 	 * @param _x horizontal coordinate
 	 * @param _y vertical coordinate
-	 * @returns Always returns null since Happy DOM does not render elements and therefore cannot determine which element is at a given point.
+	 * @returns Always returns null since Happy DOM does not render elements.
 	 */
 	public elementFromPoint(_x: number, _y: number): Element | null {
 		return null;