const organisationUnitGroupSelectorProps$ = Observable.fromPromise(getAllObjectsWithFields('organisationUnitGroup'))
    .map(organisationUnitGroups => ({
        source: organisationUnitGroups.map(model => ({ value: model.id, label: model.displayName })),
        onItemDoubleClick(value) {
            const ougFormula = ['OUG{', value, '}'].join('');