Minor tweak

Author: javiereguiluz

src/Factory/ActionFactory.php

@@ -157,10 +157,12 @@ private function processAction(string $pageName, ActionDto $actionDto, ?EntityDt
     private function processActionLabel(ActionDto $actionDto, ?EntityDto $entityDto, string $translationDomain, array $defaultTranslationParameters): void
     {
         $label = $actionDto->getLabel();
-        $title = $actionDto->getHtmlAttributes()['title'] ?? '';
+        $htmlTitle = trim($actionDto->getHtmlAttributes()['title'] ?? '');
 
-        // FALSE means that action doesn't show a visible label in the interface
-        if (false === $label && '' === trim($title)) {
+        // FALSE means that action doesn't show a visible label in the interface;
+        // add an HTML 'title' attribute (unless the user defined one explicitly) to
+        // improve accessibility and show the action name on mouse hover
+        if (false === $label && '' === $htmlTitle) {
             $actionDto->setHtmlAttribute('title', $actionDto->getName());
 
             return;