fix(@angular/build): builder removes @angular/localize when script optimization is disabled

Author: claudio-roma

packages/angular/build/src/tools/esbuild/application-code-bundle.ts

@@ -671,8 +671,12 @@ function getEsBuildCommonPolyfillsOptions(
   // Locale data should go first so that project provided polyfill code can augment if needed.
   let needLocaleDataPlugin = false;
   if (i18nOptions.shouldInline) {
-    // Remove localize polyfill as this is not needed for build time i18n.
-    polyfills = polyfills.filter((path) => !path.startsWith('@angular/localize'));
+    const isOptimizedBuild = options.optimizationOptions.scripts;
+    if (isOptimizedBuild) {
+      // Remove localize polyfill where script optimizations are enabled
+      // and therefore, i18n inlining transform has occurred.
+      polyfills = polyfills.filter((path) => !path.startsWith('@angular/localize'));
+    }
 
     // Add locale data for all active locales
     // TODO: Inject each individually within the inlining process itself