Fix setAdvancedFeatures when creating a Studio project with GraphQL API

curl --location --request POST 'https://connect.nuxeo.com/nuxeo/site/nos/graphql' \
--header 'Content-Type: application/json' \
-u 'tmartins:88866d8d129c9934d45f50265AZEcaded376d71dfe74d83b1c4189eb9ca72799' \
--data-raw '{
    "operationName": "addProject",
    "variables": {
        "project": {
            "orgId": "IronMountainTraining",
            "id": "ins2-studio-automation-test-tm-4",
            "name": "Ins2 Studio Automation Test TM 4",
            "advanced_features": true,
            "owners": [
                "suresh.sivanantham@ironmountain.com",
                "ins2.service.account@ironmountain.com"
            ]
        }
    },
    "query": "mutation addProject($project: ProjectCreationInput!) { addProject(project: $project) { id name org { id } gitUrl } }"
}'