chore: 去除worker中css less的引用

plugins/webpack-fui-worker-plugin/worker-loader.js

@@ -68,9 +68,20 @@ function loader() {
     }).apply(childCompiler);
 
     // 去除源码中的less css引用
-    new webpack.IgnorePlugin({
+    const regExp = /\.(css|less)$/;
-        resourceRegExp: /\.(css|less)$/,
+
-    }).apply(childCompiler);
+    new webpack.NormalModuleReplacementPlugin(
+        regExp,
+        result => {
+            if (regExp.test(result.request)) {
+                result.request = resolve(__dirname, './empty.js');
+            }
+
+            if (regExp.test(result.resource)) {
+                result.resource = resolve(__dirname, './empty.js');
+            }
+        },
+    ).apply(childCompiler);
 
     const subCache = `subcache ${__dirname} ${workerEntry}`;
     childCompiler.hooks.compilation.tap(WorkerLoaderName, compilation => {