injectTemplateListener - injectTemplate update to match the unit test

Author: nikolay

src/View/Http/InjectTemplateListener.php

@@ -61,8 +61,9 @@ public function injectTemplate(MvcEvent $e)
         }
 
         $routeMatch = $e->getRouteMatch();
-        $preferRouteMatchController = $routeMatch->getParam('prefer_route_match_controller', false);
-        $this->setPreferRouteMatchController($preferRouteMatchController);
+        if($preferRouteMatchController = $routeMatch->getParam('prefer_route_match_controller', false)){
+            $this->setPreferRouteMatchController($preferRouteMatchController);
+        }
 
         $controller = $e->getTarget();
         if (is_object($controller)) {