[DURACOM-347] add missing aria label improvement in onebox

Author: FrancescoMolinaro

src/app/shared/form/builder/ds-dynamic-form-ui/models/onebox/dynamic-onebox.component.html

@@ -71,7 +71,7 @@
     <input class="form-control"
            [attr.aria-labelledby]="'label_' + model.id"
            [attr.autoComplete]="model.autoComplete"
-           [attr.aria-label]="model.label | translate"
+           [attr.aria-label]="(model.label || model?.additional?.ariaLabel) | translate"
            [class.is-invalid]="showErrorMessages"
            [class.tree-input]="!model.readOnly"
            [id]="id"