fix creating default folders

Author: streamtw

src/controllers/FolderController.php

@@ -22,7 +22,7 @@ public function getFolders()
             $folder_types['user'] = 'root';
         }
 
-        if ((parent::allowMultiUser() && parent::enabledShareFolder()) || !parent::allowMultiUser()) {
+        if (parent::allowShareFolder()) {
             $folder_types['share'] = 'shares';
         }
 

src/middlewares/CreateDefaultFolder.php

@@ -23,7 +23,7 @@ private function checkDefaultFolderExists($type = 'share')
             return;
         }
 
-        if ($type === 'share' && (!$this->enabledShareFolder()  || !$this->allowMultiUser())) {
+        if ($type === 'share' && !$this->allowShareFolder()) {
             return;
         }
 

src/traits/LfmHelpers.php

@@ -230,8 +230,12 @@ public function allowMultiUser()
         return config('lfm.allow_multi_user') === true;
     }
 
-    public function enabledShareFolder()
+    public function allowShareFolder()
     {
+        if (!$this->allowMultiUser()) {
+            return true;
+        }
+
         return config('lfm.allow_share_folder') === true;
     }