fix: Article thumbnail not working

docs/changelog/7.x.x.txt

@@ -3,6 +3,7 @@
    department names.
  - fix: Missing documentation breaks the List of Available Macros (Wouter
    van Oijen / ProcoliX)
+ - fix: Article thumbnail not working (Len Kranendonk)
 
 
 7.0.2

lib/WebGUI/Asset/Wobject/Article.pm

@@ -288,7 +288,7 @@ sub view {
 				filename => $file,
 				isImage => $storage->isImage($file),
 				url=> $storage->getUrl($file),
-				thumbnailUrl => $storage->getUrl($file),
+				thumbnailUrl => $storage->getThumbnail($file),
 				iconUrl => $storage->getFileIconUrl($file)
 				});
 		}