fix(css-modules): disable conflicting cssnano options

Author: David Zukowski

build/webpack.config.js

@@ -234,6 +234,9 @@ webpackConfig.postcss = [
     discardComments: {
       removeAll: true
     },
+    discardUnused: false,
+    mergeIdents: false,
+    reduceIdents: false,
     safe: true,
     sourcemap: true
   })