[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

demo-shell/src/app/components/file-view/file-view.component.html

@@ -1,4 +1,4 @@
-<ng-container *ngIf="nodeId">
+<ng-container *ngIf="nodeId || content">
 
     <ng-template let-node="node" #sidebarRightTemplate>
         <adf-info-drawer [title]="'APP.INFO_DRAWER.TITLE' | translate">
@@ -284,14 +284,16 @@
                 </p>
 
                 <p class="toggle">
-                    <button mat-raised-button id="adf-switch-showrightsidebar" (click)="toggleShowRightSidebar()" color="primary">
-                      Toggle Right Sidebar
+                    <button mat-raised-button id="adf-switch-showrightsidebar" (click)="toggleShowRightSidebar()"
+                            color="primary">
+                        Toggle Right Sidebar
                     </button>
                 </p>
 
                 <p class="toggle">
-                    <button mat-raised-button id="adf-switch-showleftsidebar" (click)="hideLeftSidebar()" color="primary">
-                         Hide Left Sidebar
+                    <button mat-raised-button id="adf-switch-showleftsidebar" (click)="hideLeftSidebar()"
+                            color="primary">
+                        Hide Left Sidebar
                     </button>
                 </p>
 
@@ -314,6 +316,7 @@
     </ng-template>
 
     <adf-viewer
+        [blobFile]="content"
         [nodeId]="nodeId"
         [showRightSidebar]="showRightSidebar"
         [showLeftSidebar]="showLeftSidebar"
@@ -325,6 +328,7 @@
         [allowRightSidebar]="allowRightSidebar"
         [allowLeftSidebar]="allowLeftSidebar"
         [urlFile]="urlFile"
+        (showViewerChange)="onViewerVisibilityChanged($event)"
         [sidebarLeftTemplate]="sidebarLeftTemplate"
         [sidebarRightTemplate]="sidebarRightTemplate">