Preserve auto_start/auto_open/auto_close when restoring snapshot

Fixes #1904

gns3server/controller/import_project.py

@@ -38,7 +38,8 @@ Handle the import of project from a .gns3project
 """
 
 
-async def import_project(controller, project_id, stream, location=None, name=None, keep_compute_id=False):
+async def import_project(controller, project_id, stream, location=None, name=None, keep_compute_id=False,
+                         auto_start=False, auto_open=False, auto_close=True):
     """
     Import a project contain in a zip file
 
@@ -98,9 +99,9 @@ async def import_project(controller, project_id, stream, location=None, name=Non
     topology = load_topology(os.path.join(path, "project.gns3"))
     topology["name"] = project_name
     # To avoid unexpected behavior (project start without manual operations just after import)
-    topology["auto_start"] = False
-    topology["auto_open"] = False
-    topology["auto_close"] = True
+    topology["auto_start"] = auto_start
+    topology["auto_open"] = auto_open
+    topology["auto_close"] = auto_close
 
     # Generate a new node id
     node_old_to_new = {}

gns3server/controller/snapshot.py

@@ -121,7 +121,9 @@ class Snapshot:
             if os.path.exists(project_files_path):
                 await wait_run_in_executor(shutil.rmtree, project_files_path)
             with open(self._path, "rb") as f:
-                project = await import_project(self._project.controller, self._project.id, f, location=self._project.path)
+                project = await import_project(self._project.controller, self._project.id, f, location=self._project.path,
+                                               auto_start=self._project.auto_start, auto_open=self._project.auto_open,
+                                               auto_close=self._project.auto_close)
         except (OSError, PermissionError) as e:
             raise aiohttp.web.HTTPConflict(text=str(e))
         await project.open()