message: fix(utils): avoid TypeError in getCSSVar when theme is an empty object
diff: @@ -152,4 +152,4 @@ export const fromEntries = <T extends unknown>(entries: [string, any][]) =>
  * Get the CSS variable ref stored in the theme
  */
  export const getCSSVar = (theme: Dict, scale: string, value: any) =>
  - theme.__cssMap[`${scale}.${value}`]?.varRef ?? value
  + theme.__cssMap?.[`${scale}.${value}`]?.varRef ?? value
  