Chore: revert pngx pdf viewer to third party package (#6741)

src-ui/src/app/components/common/confirm-dialog/split-confirm-dialog/split-confirm-dialog.component.html

@@ -13,12 +13,12 @@
                 <div class="input-group-text" i18n>of {{totalPages}}</div>
             </div>
             <div class="pdf-viewer-container w-100 mt-3">
-                <pngx-pdf-viewer [src]="pdfSrc" [(page)]="page"
+                <pdf-viewer [src]="pdfSrc" [(page)]="page"
                 [original-size]="false"
                 [zoom]="1"
                 zoom-scale="page-fit"
                 (after-load-complete)="pdfPreviewLoaded($event)">
-                </pngx-pdf-viewer>
+                </pdf-viewer>
             </div>
         </div>
         <div class="col-4">

src-ui/src/app/components/common/confirm-dialog/split-confirm-dialog/split-confirm-dialog.component.scss

@@ -2,7 +2,7 @@
     background-color: gray;
     height: 350px;
 
-    pngx-pdf-viewer {
+    pdf-viewer {
       width: 100%;
       height: 100%;
     }

src-ui/src/app/components/common/confirm-dialog/split-confirm-dialog/split-confirm-dialog.component.spec.ts

@@ -6,7 +6,7 @@ import { ReactiveFormsModule, FormsModule } from '@angular/forms'
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
 import { DocumentService } from 'src/app/services/rest/document.service'
-import { PdfViewerComponent } from '../../pdf-viewer/pdf-viewer.component'
+import { PdfViewerModule } from 'ng2-pdf-viewer'
 
 describe('SplitConfirmDialogComponent', () => {
   let component: SplitConfirmDialogComponent
@@ -15,13 +15,14 @@ describe('SplitConfirmDialogComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [SplitConfirmDialogComponent, PdfViewerComponent],
+      declarations: [SplitConfirmDialogComponent],
       providers: [NgbActiveModal],
       imports: [
         HttpClientTestingModule,
         NgxBootstrapIconsModule.pick(allIcons),
         ReactiveFormsModule,
         FormsModule,
+        PdfViewerModule,
       ],
     }).compileComponents()
 

src-ui/src/app/components/common/confirm-dialog/split-confirm-dialog/split-confirm-dialog.component.ts

@@ -2,7 +2,7 @@ import { Component } from '@angular/core'
 import { ConfirmDialogComponent } from '../confirm-dialog.component'
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
 import { DocumentService } from 'src/app/services/rest/document.service'
-import { PDFDocumentProxy } from '../../pdf-viewer/typings'
+import { PDFDocumentProxy } from 'ng2-pdf-viewer'
 
 @Component({
   selector: 'pngx-split-confirm-dialog',