[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/app-list/apps-list.module.ts

@@ -19,7 +19,6 @@ import { CommonModule } from '@angular/common';
 import { FlexLayoutModule } from '@angular/flex-layout';
 import { NgModule } from '@angular/core';
 import { MaterialModule } from '../material.module';
-import { TranslateModule } from '@ngx-translate/core';
 import { CoreModule } from '@alfresco/adf-core';
 
 import { AppsListComponent } from './apps-list.component';
@@ -30,8 +29,7 @@ import { SelectAppsDialogComponent } from './select-apps-dialog-component';
         CommonModule,
         MaterialModule,
         FlexLayoutModule,
-        TranslateModule,
-        CoreModule
+        CoreModule.forChild()
     ],
     declarations: [
         AppsListComponent,