message: fix: crash for usethemeprops
diff: @@ -122,7 +122,7 @@ function mergeUnderscoreProps(newProps: any, props: any) {
  ? {
  color: useContrastText(
  bg,
  - newProps[propName].color ?? props[propName].color
  + newProps[propName].color ?? props[propName]?.color
  ),
  }
  : {};
  