Fix list rendering for UploadFormField

Author: TimWolla

docs/php/api/form_builder/form_fields.md

@@ -308,7 +308,8 @@ The default label of instances of this class is `wcf.tagging.tags` and their def
 
 `UploadFormField` objects register a [custom form field data processor](validation_data.md#customformfielddataprocessor) to add the array of `wcf\system\file\upload\UploadFile\UploadFile` into the `$parameters` array directly using the object property as the array key. Also it registers the removed files as an array of `wcf\system\file\upload\UploadFile\UploadFile` into the `$parameters` array directly using the object property with the suffix `_removedFiles` as the array key.  
 
-The field supports additional settings: 
+The field supports additional settings:
+
 - `imageOnly($imageOnly = true)` and `isImageOnly()` can be used to ensure that the uploaded files are only images.
 - `allowSvgImage($allowSvgImages = true)` and `svgImageAllowed()` can be used to allow SVG images, if the image only mode is enabled (otherwise, the method will throw an exception). By default, SVG images are not allowed.