[TASK] Update PictureViewHelper

Classes/ViewHelpers/PictureViewHelper.php

@@ -313,6 +313,14 @@ class PictureViewHelper extends AbstractViewHelper {
 			if (!$title) {
 				$title = $image->hasProperty('title') ? $image->getTitle() : '';
 			}
+		} else {
+			if (!$alt) {
+				$alternative = $originalFile->getProperties()['alternative'] ?? '';
+			}
+
+			if (!$title) {
+				$title = $originalFile->getProperties()['title'] ?? '';
+			}
 		}
 
 		$titleAsAttribute = $title ? ' title="' . htmlspecialchars($title) . '"' : '';