fix(amis-saas-6852): amis-editor-core输出的样式名字改回使用style.css

Change-Id: I88f7a51941b74fda0ca5d47bfe8418efcd973491

packages/amis-editor-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "amis-editor-core",
-  "version": "5.2.1-beta.27",
+  "version": "5.2.1-beta.28",
   "description": "amis 可视化编辑器",
   "main": "lib/index.js",
   "module": "esm/index.js",

packages/amis-editor-core/rollup.config.js

@@ -57,7 +57,7 @@ export default [
     plugins: getPlugins('cjs').concat([
       postcss({
         include: 'scss/editor.scss',
-        extract: path.resolve('lib/editor.css'),
+        extract: path.resolve('lib/style.css'),
         plugins: [postcssImport(), autoprefixer(), minify()]
       })
     ])