[ADF-3380] lazy loading fixes (#3609)

* lazy loading file viewer

* fix issue with CoreModule referencing

* fix issue with app config and lazy loading

* test fixes

* fix import

* lazy loading workaround for content module

* fix providers for lazy loading

* fix tests

* lazy loading for Process Services lib

* lazy loading for Insights, module cleanup

* fix issue with Translate module, optimise imports

* lazy-load blob viewer (demo shell)

* remove duplicate pdf init

* update to more stable pdfjs

* fix license header

* fix lint issues

* fix test import

* fix pdf version

lib/process-services/testing/process.testing.module.ts

@@ -24,11 +24,16 @@ import {
     AppConfigService,
     AppConfigServiceMock,
     TranslationService,
-    TranslationMock
+    TranslationMock,
+    CoreModule
 } from '@alfresco/adf-core';
 
 @NgModule({
-    imports: [NoopAnimationsModule, ProcessModule],
+    imports: [
+        NoopAnimationsModule,
+        CoreModule.forRoot(),
+        ProcessModule
+    ],
     providers: [
         { provide: AlfrescoApiService, useClass: AlfrescoApiServiceMock },
         { provide: AppConfigService, useClass: AppConfigServiceMock },