Pre-Angular 9 upgrade fixes (#5712)

* remove deprecated angular/http

* upgrade adf libs

* fix production builds

* ivy-compatible translate module usage

* improved module usage

* upgrade content services module

* fix process services tests

* upgrade process cloud tests

* lint fixes

* update core max size

* fix insights test module

* remove insights lazy loading workaround

* fix insights module exports

* * Fixed skipped form-cloud unit test and removed duplicated tests

* cleanup the use of services

Co-authored-by: sivakumar414ram <siva.kumar@muraai.com>

lib/core/directives/highlight.directive.spec.ts

@@ -21,7 +21,7 @@ import { By } from '@angular/platform-browser';
 import { HighlightTransformService } from '../services/highlight-transform.service';
 import { HighlightDirective } from './highlight.directive';
 import { setupTestBed } from '../testing/setup-test-bed';
-import { CoreModule } from '../core.module';
+import { CoreTestingModule } from '../testing/core.testing.module';
 
 /* spellchecker: disable */
 const template: string = `
@@ -47,7 +47,7 @@ describe('HighlightDirective', () => {
 
     setupTestBed({
         imports: [
-            CoreModule.forRoot()
+            CoreTestingModule
         ],
         declarations: [
             TestComponent