Fix IOU symlink issue on remote servers.

gns3server/compute/project.py

@@ -407,7 +407,7 @@ class Project:
         """
 
         files = []
-        for dirpath, dirnames, filenames in os.walk(self.path):
+        for dirpath, dirnames, filenames in os.walk(self.path, followlinks=False):
             for filename in filenames:
                 if not filename.endswith(".ghost"):
                     path = os.path.relpath(dirpath, self.path)