Router Fixes (#10579)

* fix(router): copy over data during data resolution
* fix(router): components instantiated in lazy-loaded modules should use location's injector

modules/@angular/router/src/router_state.ts

@@ -70,7 +70,8 @@ export function createEmptyState(urlTree: UrlTree, rootComponent: Type): RouterS
   return new RouterState(new TreeNode<ActivatedRoute>(activated, []), snapshot);
 }
 
-function createEmptyStateSnapshot(urlTree: UrlTree, rootComponent: Type): RouterStateSnapshot {
+export function createEmptyStateSnapshot(
+    urlTree: UrlTree, rootComponent: Type): RouterStateSnapshot {
   const emptyParams = {};
   const emptyData = {};
   const emptyQueryParams = {};