Code Improvements (#237)

Signed-off-by: Mior Muhammad Zaki <[email protected]>

app/Nova/Post.php

@@ -242,7 +242,7 @@ public function actions(NovaRequest $request): array
     public function filters(NovaRequest $request): array
     {
         return [
-            new Filters\SelectFirst('user_id'),
+            Filters\SelectFirst::make('user_id')->searchable(uses_searchable()),
             new Filters\UserPost,
         ];
     }