refactor: use buildOptions directly

Author: alan-agius4

packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/styles.ts

@@ -45,8 +45,8 @@ export function getStylesConfig(wco: WebpackConfigOptions) {
   // Determine hashing format.
   const hashFormat = getOutputHashFormat(buildOptions.outputHashing as string);
   // Convert absolute resource URLs to account for base-href and deploy-url.
-  const baseHref = wco.buildOptions.baseHref || '';
-  const deployUrl = wco.buildOptions.deployUrl || '';
+  const baseHref = buildOptions.baseHref || '';
+  const deployUrl = buildOptions.deployUrl || '';
   const resourcesOutputPath = buildOptions.resourcesOutputPath || '';
 
   const postcssPluginCreator = function (loader: webpack.loader.LoaderContext) {