message: fix(ivy): export NgModuleFactory via r3_symbols for core factories
  When is compiled by ngtsc, a factory file is generated
  for ApplicationModule, that is currently invalid because r3_symbols
  does not export NgModuleFactory. This change fixes that issue and
  ensures the generated ngfactory file for is valid.
  PR Close
diff: "name": "ViewEncapsulation$1"
  },
  {
  - "name": "ViewRef$1"
  + "name": "ViewRef"
  },
  {
  "name": "_CLEAN_PROMISE"
  