add x requested with header, (#13268)

fix dev app environment

npm/ng-packs/apps/dev-app/src/environments/environment.prod.ts

@@ -11,7 +11,7 @@ export const environment = {
     logoUrl: '',
   },
   oAuthConfig: {
-    issuer: 'https://localhost:44305',
+    issuer: 'https://localhost:44305/',
     redirectUri: baseUrl,
     clientId: 'MyProjectName_App',
     responseType: 'code',

npm/ng-packs/apps/dev-app/src/environments/environment.ts

@@ -11,9 +11,8 @@ export const environment = {
     logoUrl: '',
   },
   oAuthConfig: {
-    issuer: 'https://localhost:44305',
+    issuer: 'https://localhost:44305/',
     clientId: 'MyProjectName_App',
-    dummyClientSecret: '1q2w3e*',
     scope: 'offline_access MyProjectName',
     responseType: 'code',
     redirectUri: baseUrl,

npm/ng-packs/packages/core/src/lib/interceptors/api.interceptor.ts

@@ -1,5 +1,5 @@
 import { HttpHandler, HttpHeaders, HttpInterceptor, HttpRequest } from '@angular/common/http';
-import { Injectable, Inject } from '@angular/core';
+import { Inject, Injectable } from '@angular/core';
 import { OAuthService } from 'angular-oauth2-oidc';
 import { finalize } from 'rxjs/operators';
 import { SessionStateService } from '../services/session-state.service';
@@ -46,6 +46,8 @@ export class ApiInterceptor implements HttpInterceptor {
       headers[this.tenantKey] = tenant.id;
     }
 
+    headers['X-Requested-With'] = 'XMLHttpRequest';
+
     return headers;
   }
 }