Method deactivate

docs/app/js/sanddance-app.js:10550–10553

()

        this.active = datum;
    }
    deactivate() {
        if (this.active) delete this.active[(0, _sanddanceSpecs.FieldNames).Active];
        this.active = null;
    }
    ordinalIndexWithinSelection(ordinal) {
        if (this.selection) for(let i = 0; i < this.selection.included.length; i++){
            let datum = this.selection.included[i];