FEATURE: add permissions into widgets and fix few bugs

app/CMS/Handlers/Search/Files.php

@@ -1,7 +1,9 @@
 <?php
+
 namespace App\CMS\Handlers\Search;
 
 use App\Models\FileManager\File;
+use Illuminate\Support\Collection;
 
 class Files extends Search
 {
@@ -24,6 +26,11 @@ class Files extends Search
      */
     public function search($term)
     {
+        if (\Auth::user()
+                 ->cannot('manage', File::class)) {
+            return new Collection();
+        }
+
         $token = $this->tokenize($term);
 
         return File::where('original_filename', 'LIKE', $token)