Pre-Angular upgrade fixes (#5709)

* code fixes

* code fixes

* more code fixes

* even more fixes

* add missing typescript for cli

* rollback info drawer test changes

* use npx for cli commands

* restore attach providers

lib/core/clipboard/clipboard.directive.spec.ts

@@ -47,9 +47,6 @@ describe('ClipboardDirective', () => {
         ],
         declarations: [
             TestTargetClipboardComponent
-        ],
-        providers: [
-            ClipboardService
         ]
     });
 

lib/core/clipboard/clipboard.module.ts

@@ -18,7 +18,6 @@
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
 import { ClipboardDirective, ClipboardComponent } from './clipboard.directive';
-import { ClipboardService } from './clipboard.service';
 import { TranslateModule } from '@ngx-translate/core';
 
 @NgModule({
@@ -26,9 +25,6 @@ import { TranslateModule } from '@ngx-translate/core';
         CommonModule,
         TranslateModule.forChild()
     ],
-    providers: [
-        ClipboardService
-    ],
     declarations: [
         ClipboardDirective,
         ClipboardComponent

lib/core/clipboard/clipboard.service.spec.ts

@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-import { LogService } from '../services/log.service';
 import { NotificationService } from '../notifications/services/notification.service';
 import { AppConfigService } from '../app-config/app-config.service';
 import { TestBed } from '@angular/core/testing';
@@ -40,10 +39,8 @@ describe('ClipboardService', () => {
             MatSnackBarModule
         ],
         providers: [
-            LogService,
             { provide: TranslationService, useClass: TranslationMock },
-            { provide: AppConfigService, useClass: AppConfigServiceMock },
-            NotificationService
+            { provide: AppConfigService, useClass: AppConfigServiceMock }
         ]
     });
 

lib/core/clipboard/clipboard.service.ts

@@ -20,7 +20,7 @@ import { DOCUMENT } from '@angular/common';
 import { LogService } from '../services/log.service';
 import { NotificationService } from '../notifications/services/notification.service';
 
-@Injectable()
+@Injectable({ providedIn: 'root' })
 export class ClipboardService {
 
     constructor(