fix(ErrorBoundary): Allow for details to be shown in production. (#5504)

Added showErrorDetails to config to allow for details to be shown in various runtime environments.

platform/app/public/config/default.js

@@ -25,6 +25,7 @@ window.config = {
     // above, the number of requests can be go a lot higher.
     prefetch: 25,
   },
+  showErrorDetails: 'always', // 'always', 'dev', 'production'
   // filterQueryParam: false,
   // Defines multi-monitor layouts
   multimonitor: [