Disallow cloning playlist if user doesn't have seeplaylist permission

lib/channel/playlist.js

@@ -1211,6 +1211,12 @@ PlaylistModule.prototype.handleClonePlaylist = function (user, data) {
         });
     }
 
+    if (!this.channel.modules.permissions.canSeePlaylist(user)) {
+        return user.socket.emit("errorMsg", {
+            msg: "You are not allowed to save this playlist"
+        });
+    }
+
     var pl = this.items.toArray();
     var self = this;
     db.saveUserPlaylist(pl, user.getName(), data.name, function (err) {