[skip ci] Use single quotes for string comparisons in JsUtils

Replaces double quotes with single quotes when checking for empty strings in parameter validation. This improves consistency and adheres to common PHP coding standards.

Author: jcheron

Ajax/JsUtils.php

@@ -216,13 +216,13 @@ public function __construct(array $params = array(), mixed $injected = NULL) {
 			'autoActiveLinks' => true
 		];
 		foreach ($defaults as $key => $val) {
-			if (isset($params[$key]) === false || $params[$key] === "") {
+			if (isset($params[$key]) === false || $params[$key] === '') {
 				$params[$key] = $defaults[$key];
 			}
 		}
 		foreach ($ajaxDefault as $key => $val) {
-			if (isset($params["ajax"][$key]) === false || $params["ajax"][$key] === "") {
-				$params["ajax"][$key] = $ajaxDefault[$key];
+			if (isset($params['ajax'][$key]) === false || $params['ajax'][$key] === '') {
+				$params['ajax'][$key] = $ajaxDefault[$key];
 			}
 		}