Incompatibility with prerender routes

[mojtabanpe]

Describe the bug
If we use prerender and routesFile in angular.json REQUEST token hasn't provided.

To Reproduce
Steps to reproduce the behavior:

1. Go to angular.json
2. Setup "prerender": {
   "discoverRoutes": false,
   "routesFile": "routes.txt"
   },
3. Provide routes.txt beside angular.json
4. Try to build and See error

An unhandled exception occurred: R3InjectorError(Standalone[o])[o -> o -> InjectionToken REQUEST -> InjectionToken REQUEST]:
NullInjectorError: No provider for InjectionToken REQUEST!
See "/tmp/ng-SbxhnB/angular-errors.log" for further details.