REFACTORING #2039 @1h: clean a little bit file manager

resources/views/admin/fileManager/overview.blade.php

@@ -11,7 +11,7 @@
     <div class="row">
         <div class="col-lg-8">
             @include('admin.fileManager.directories.subdirectoriesTiles')
-            @include('admin.fileManager.filesTiles')
+            @include('admin.fileManager.filesTiles', ['files' => $directory->files])
         </div>
 
         <div class="col-lg-4">
@@ -31,7 +31,7 @@
                     </div>
                 </div>
 
-                @if ($directory->id)
+                @if ($directory->exists)
                     <div class="panel panel-default">
                         <div class="panel-heading" role="tab" id="edit-dir-title">
                             <h5 class="panel-title">