[ADF-4424] Pdf Viewer - password dialog does not close when pressing Escape (#4622)

* return to previous page on close

* update e2e

* [ADF-4424] Improve PreviousRouteService to use it in pdfViewer

* change previous Url logic

* remove navigation logic

* remove test

* Update pdfViewer.component.spec.ts

* back button logic for viewer outlet

* unit tests

* remove fdescribe

* remove unused service

* e2e

* return to location

* remove click filter step

* remove unnecessary test steps

* remove un existen export

* unify preview between PS and CS in demo shell

* fix dispalyname property

lib/core/services/previous-route.service.spec.ts

@@ -1,61 +0,0 @@
-/*!
- * @license
- * Copyright 2019 Alfresco Software, Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { TestBed } from '@angular/core/testing';
-import { setupTestBed } from '../testing/setupTestBed';
-import { PreviousRouteService } from './previous-route.service';
-import { Router, NavigationEnd } from '@angular/router';
-import { Observable } from 'rxjs';
-import { CoreTestingModule } from 'core/testing/core.testing.module';
-
-class MockRouter {
-    firstUrl = new NavigationEnd(0, '/files', '/files');
-    secondUrl = new NavigationEnd(0, '/home', '/home');
-    events = new Observable((observer) => {
-        observer.next(this.firstUrl);
-        observer.next(this.secondUrl);
-        observer.complete();
-    });
-}
-
-describe('Previous route service ', () => {
-
-    let previousRouteService: PreviousRouteService;
-
-    setupTestBed({
-        imports: [
-            CoreTestingModule
-        ],
-        providers: [
-            { provide: Router, useClass: MockRouter },
-            PreviousRouteService
-        ]
-    });
-
-    beforeEach(() => {
-        previousRouteService = TestBed.get(PreviousRouteService);
-    });
-
-    it('should be able to create the service', () => {
-        expect(previousRouteService).not.toBeNull();
-        expect(previousRouteService).toBeDefined();
-    });
-
-    it('should set curent url when new page loads', () => {
-        expect(previousRouteService.getPreviousUrl()).toBe('/files');
-    });
-});

lib/core/services/previous-route.service.ts

@@ -1,42 +0,0 @@
-/*!
- * @license
- * Copyright 2019 Alfresco Software, Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { Injectable } from '@angular/core';
-import { Router, NavigationEnd } from '@angular/router';
-
-@Injectable({
-    providedIn: 'root'
-})
-export class PreviousRouteService {
-
-    private previousUrl: string;
-    private currentUrl: string;
-
-    constructor(private router: Router) {
-        this.currentUrl = this.router.url;
-        this.router.events.subscribe((event) => {
-            if (event instanceof NavigationEnd) {
-                this.previousUrl = this.currentUrl;
-                this.currentUrl = event.url;
-            }
-        });
-    }
-
-    public getPreviousUrl(): string {
-        return this.previousUrl;
-    }
-}

lib/core/services/public-api.ts

@@ -55,5 +55,4 @@ export * from './jwt-helper.service';
 export * from './download-zip.service';
 export * from './lock.service';
 export * from './automation.service';
-export * from './previous-route.service';
 export * from './automation.service';