Merge pull request 'fix: View/Download viewer will be selected as default when no other viewer is default.' (#19) from daball/nm3clol-express-app:main into main

Reviewed-on: #19

app/helpers/functions.mts

@@ -198,7 +198,7 @@ const defaultViewerForFile = (file: string) => {
   if (isMsOfficeViewerSupported(file)) {
     return "ms-office-viewer";
   }
-  else if (path.extname(file).search(/^((?:.pdf))$/ig) != -1) {
+  else {
     return "built-in";
   }
 }