fix dev mode issue where retrieving the login options fails

Author: artlowel

src/app/core/server-check/server-check.guard.spec.ts

@@ -20,7 +20,8 @@ describe('ServerCheckGuard', () => {
     });
     rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
       checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
-      invalidateRootCache: jasmine.createSpy('invalidateRootCache')
+      invalidateRootCache: jasmine.createSpy('invalidateRootCache'),
+      findRoot: jasmine.createSpy('findRoot')
     });
     redirectUrlTree = new UrlTree();
     router = {
@@ -63,18 +64,23 @@ describe('ServerCheckGuard', () => {
   });
 
   describe(`listenForRouteChanges`, () => {
-    it(`should invalidate the root cache when the method is first called, and then on every NavigationStart event`, () => {
+    it(`should retrieve the root endpoint, without using the cache, when the method is first called`, () => {
         testScheduler.run(() => {
           guard.listenForRouteChanges();
-          expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(1);
+          expect(rootDataServiceStub.findRoot).toHaveBeenCalledWith(false);
+        });
+    });
 
+    it(`should invalidate the root cache on every NavigationStart event`, () => {
+        testScheduler.run(() => {
+          guard.listenForRouteChanges();
           eventSubject.next(new NavigationStart(1,''));
           eventSubject.next(new NavigationEnd(1,'', ''));
           eventSubject.next(new NavigationStart(2,''));
           eventSubject.next(new NavigationEnd(2,'', ''));
           eventSubject.next(new NavigationStart(3,''));
         });
-        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(4);
+        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(3);
     });
   });
 });

src/app/core/server-check/server-check.guard.ts

@@ -53,8 +53,10 @@ export class ServerCheckGuard implements CanActivateChild {
    */
   listenForRouteChanges(): void {
     // we'll always be too late for the first NavigationStart event with the router subscribe below,
-    // so this statement is for the very first route operation
-    this.rootDataService.invalidateRootCache();
+    // so this statement is for the very first route operation. A `find` without using the cache,
+    // rather than an invalidateRootCache, because invalidating as the app is bootstrapping can
+    // break other features
+    this.rootDataService.findRoot(false);
 
     this.router.events.pipe(
       filter(event => event instanceof NavigationStart),