Duplicate project on remote server use UUID

Ref https://github.com/GNS3/gns3-server/issues/1040

gns3server/controller/import_project.py

@@ -24,7 +24,6 @@ import asyncio
 import zipfile
 import aiohttp
 
-from ..config import Config
 from .topology import load_topology
 
 
@@ -74,7 +73,7 @@ def import_project(controller, project_id, stream, location=None, name=None, kee
                 path = location
             else:
                 projects_path = controller.projects_directory()
-                path = os.path.join(projects_path, project_name)
+                path = os.path.join(projects_path, project_id)
             try:
                 os.makedirs(path, exist_ok=True)
             except UnicodeEncodeError as e:

gns3server/handlers/api/controller/project_handler.py

@@ -23,7 +23,6 @@ import tempfile
 
 from gns3server.web.route import Route
 from gns3server.controller import Controller
-from gns3server.controller.project import Project
 from gns3server.controller.import_project import import_project
 from gns3server.controller.export_project import export_project
 from gns3server.config import Config