Elimitate mini-css warning

by applying
webpack-contrib/mini-css-extract-plugin#250 (comment).
The warning was introduced in b34754b

Author: nkonev

frontend/webpack.config.js

@@ -56,7 +56,7 @@ module.exports = (env, argv) => {
             // all options are optional
             filename: `[name]_${currDate}.css`,
             chunkFilename: `[id]_${currDate}.css`,
-            ignoreOrder: false, // Enable to remove warnings about conflicting order
+            ignoreOrder: true, // Enable to remove warnings about conflicting order
         }),
     ];
     if (isDevelopment(argv)) {