Improve size of vendors files

editor/package.json

@@ -51,7 +51,7 @@
     "test": "node_modules/.bin/mocha -r esm",
     "watch": "webpack --watch --hide-modules",
     "start": "webpack-dev-server --open --hot",
-    "build": "webpack --progress --hide-modules",
-    "docker": "webpack --color=false --hide-modules"
+    "build": "webpack --progress --hide-modules --mode=production",
+    "docker": "webpack --color=false --hide-modules --mode=production"
   }
 }

editor/webpack.config.js

@@ -33,8 +33,7 @@ module.exports = {
     plugins: [
         new CleanWebpackPlugin(),
         new MiniCssExtractPlugin({
-            filename: '[name].css',
-            chunkFilename: "[id].css"
+            filename: '[name].css'
         }),
     ],
 
@@ -50,7 +49,13 @@ module.exports = {
                     test: /[\\/]node_modules[\\/]/,
                     name: 'vendors',
                     chunks: 'all'
-                }
+                },
+                styles: {
+                    name: 'styles',
+                    test: /\.css$/,
+                    chunks: 'all',
+                    enforce: true,
+                },
             }
         }
     }