fix(theme): update theme package version to 3.31.1 and improve CSS class selectors in reset.less (#4274)

packages/theme/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@opentiny/vue-theme",
   "type": "module",
-  "version": "3.31.0",
+  "version": "3.31.1",
   "description": "An enterprise-class UI component library, support both Vue.js 2 and Vue.js 3, as well as PC and mobile.",
   "author": "OpenTiny Team",
   "license": "MIT",
@@ -93,4 +93,4 @@
       ]
     }
   }
-}
+}

packages/theme/src/base/reset.less

@@ -45,7 +45,8 @@
   transform: scale(var(--tiny-underlay-scale, 0.6));
 }
 
-[class*=~'@{css-prefix}'] {
+[class*=' @{css-prefix}'],
+[class^='@{css-prefix}'] {
   -webkit-box-sizing: border-box;
   box-sizing: border-box;
   font-family: var(--tv-font-family);