API endpoint to get the locked status of a project

tests/api/routes/controller/test_projects.py

@@ -511,6 +511,10 @@ async def test_lock_unlock(app: FastAPI, client: AsyncClient, project: Project,
     for node in project.nodes.values():
         assert node.locked is True
 
+    response = await client.get(app.url_path_for("locked_project", project_id=project.id))
+    assert response.status_code == status.HTTP_200_OK
+    assert response.json()["result"] is True
+
     response = await client.post(app.url_path_for("unlock_project", project_id=project.id))
     assert response.status_code == status.HTTP_204_NO_CONTENT