Fixed clone project request argument

Author: vsklencar

mergin/client.py

@@ -414,8 +414,8 @@ def clone_project(self, source_project_path, cloned_project_name, cloned_project
         url = urllib.parse.urljoin(self.url, urllib.parse.quote(path))
         json_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'}
         data = {
-            'namespace': cloned_project_namespace,
-            'project': cloned_project_name if cloned_project_name else self.username()
+            'namespace': cloned_project_namespace if cloned_project_namespace else self.username(),
+            'project': cloned_project_name
         }
 
         request = urllib.request.Request(url, data=json.dumps(data).encode(), headers=json_headers, method="POST")