Security: Disable eval in pdfjs (#6615)

Closes https://github.com/paperless-ngx/paperless-ngx/security/dependabot/181 see https://github.com/advisories/GHSA-wgrm-67xf-hhpq

src-ui/src/app/components/common/pdf-viewer/pdf-viewer.component.ts

@@ -35,6 +35,7 @@ import type {
 import { PDFSinglePageViewer } from 'pdfjs-dist/web/pdf_viewer'
 
 PDFJS['verbosity'] = PDFJS.VerbosityLevel.ERRORS
+PDFJS['isEvalSupported'] = false
 
 export enum RenderTextMode {
   DISABLED,