FEATURE: add possibilityy to upload and assign files to content pages

app/Models/File.php

@@ -106,7 +106,7 @@ class File extends Model
         // save optional fields
         $optionalFields = ['name', 'description', 'keywords', 'directoryId'];
         foreach ($optionalFields as $field) {
-            if ($request->has($field)) {
+            if (isset($request->{$field})) {
 
                 $snakeField = snake_case($field);
                 $newFile->$snakeField = $request->$field;