DefaultAnnotationsModel: Add missing break

Change-Id: Ic8545a2f57cd969c48b29023d35c11cf484a31e4
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/qmldesigner/components/annotationeditor/defaultannotations.cpp

@@ -157,11 +157,13 @@ QVariantMap DefaultAnnotationsModel::asVariantMapFromJson(const QJsonDocument &d
                 map[key] = QVariant::fromValue(val.toDouble());
             else if (type == QStringLiteral("color"))
                 map[key] = QVariant::fromValue(QColor(val.toString()));
+            break;
         }
-        default:
         case QJsonValue::String:
             map[key] = QString{};
             break;
+        default:
+            break;
         }
     }