fix(empty): fix opacityImage token failed by unitless (#50066)

components/theme/interface/seeds.ts

@@ -189,6 +189,8 @@ export interface SeedToken extends PresetColorType {
   /**
    * @nameZH 图片不透明度
    * @nameEN Define default Image opacity. Useful when in dark-like theme
+   * @desc 控制图片不透明度
+   * @descEN Control image opacity
    */
   opacityImage: number;
 

components/theme/useToken.ts

@@ -24,6 +24,7 @@ export const unitless: {
   fontWeightStrong: true,
   zIndexPopupBase: true,
   zIndexBase: true,
+  opacityImage: true,
 };
 
 export const ignore: {