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/check-allowable-operation.directive.spec.ts

@@ -19,8 +19,8 @@ import { ChangeDetectorRef, Component, ElementRef, SimpleChange } from '@angular
 import { ContentService } from './../services/content.service';
 import { CheckAllowableOperationDirective, NodeAllowableOperationSubject } from './check-allowable-operation.directive';
 import { setupTestBed } from '../testing/setup-test-bed';
-import { CoreModule } from '../core.module';
 import { TestBed } from '@angular/core/testing';
+import { CoreTestingModule } from '../testing/core.testing.module';
 
 @Component({
     selector: 'adf-text-subject',
@@ -35,7 +35,9 @@ describe('CheckAllowableOperationDirective', () => {
     let changeDetectorMock: ChangeDetectorRef;
 
     setupTestBed({
-        imports: [CoreModule.forRoot()]
+        imports: [
+            CoreTestingModule
+        ]
     });
 
     beforeEach(() => {