angular-schema-form-dynamic-select issue filterTriggers

$scope.model = {};
$scope.form = [
{
    key: "habilites",
    add: "Ajouter Discipline",
    style: {
    add: "btn-success"
    },
    items: [
    {
      key: "habilites[].discipline",
      type: "strapselect",
      titleMap: [
        {value: "Combattante", name: "Combattante"},
        {value: "Sournoise", name: "Sournoise"},
        {value: "Magique", name: "Magique"},
        {value: "Professionnelle", name: "Professionnelle"}
      ]
    },
    {
      key: "habilites[].habilite",
      type: "strapselect",
      options: {
        filterTriggers: ["model.habilites[arrayIndex].discipline"],
        filter: "model.habilites[arrayIndex].discipline==item.category"
      },
      titleMap: [
        {value: "Discipline", name: "Discipline", category: "Combattante"},
        {value: "Karma", name: "Karma", category: "Combattante"},
        {value: "Offense", name: "Offense", category: "Combattante"},
        {value: "Défense", name: "Défense", category: "Combattante"},

        {value: "Alchimie", name: "Alchimie", category: "Sournoise"},
        {value: "Embuscade", name: "Embuscade", category: "Sournoise"},
        {value: "Fourberie", name: "Fourberie", category: "Sournoise"},
        {value: "Travail de précision", name: "Travail de précision", category: "Sournoise"},

        {value: "Artisanat Arcane", name: "Artisanat Arcane", category: "Magique"},
        {value: "Rituel", name: "Rituel", category: "Magique"},
        {value: "Sorcellerie", name: "Sorcellerie", category: "Magique"},
        {value: "Thaumaturgie", name: "Thaumaturgie", category: "Magique"},

        {value: "Baratin", name: "Baratin", category: "Professionnelle"},
        {value: "Marchandage", name: "Marchandage", category: "Professionnelle"},
        {value: "Médecine", name: "Médecine", category: "Professionnelle"},
        {value: "Métier", name: "Métier", category: "Professionnelle"},
      ]
    }
    ]
}
];

$scope.schema = {
    habilites: {
      type: "array",
      items: {
        type: "object",
        properties: {
          discipline: {
            title: "Discipline",
            type: "string",
            // enum: ["Combattante", "Sournoise", "Magique", "Professionnelle"]
          },
          habilite: {
            title: "Habilité",
            type: "string"
          },
        },
        required: [
          "discipline",
          "habilite"
        ]
      }
    }
};