[skip ci] Update method signatures and property access

Changed InternalPopup::_compileHtml to use nullable type hint syntax for JsUtils. Removed setAccessible(true) from InstanceViewer::_getPropertyValue, relying on default property accessibility.

Author: jcheron

Ajax/semantic/html/content/InternalPopup.php

@@ -48,7 +48,7 @@ public function compile(?JsUtils $js=NULL){
 		}
 	}
 
-	private function _compileHtml(JsUtils $js=NULL){
+	private function _compileHtml(?JsUtils $js=NULL){
 		if(JString::isNotNull($this->html)){
 			$html=$this->html;
 			if(\is_array($html)){

Ajax/semantic/widgets/base/InstanceViewer.php

@@ -111,7 +111,6 @@ protected function _getDefaultValue($name, $value, $index) {
 	}
 
 	protected function _getPropertyValue(\ReflectionProperty $property) {
-		$property->setAccessible(true);
 		return $property->getValue($this->instance);
 	}