feat: update BentoPDF viewer to version 2.9.1 and add font embedding support

package-lock.json

@@ -4272,7 +4272,7 @@
     "node_modules/bentopdf-viewer": {
       "version": "2.9.1",
       "resolved": "file:vendor/bentopdf-viewer/bentopdf-viewer-2.9.1.tgz",
-      "integrity": "sha512-sfzgEpggMof2srTALARXtDJ0ZCzyEIClPsl8J0O4oHBWfuuT0LWvDMWAHaWuBXXIHa307RfboeK3ORy1cJO9Hw==",
+      "integrity": "sha512-WCKztFUzEuWpqvLu8UeXN1aEWgUUNHmV0K+d1PPS9DwCXEoc0d8K0qO59fMHxim3Xr2jaD7i8gECW6iiEcmBBA==",
       "license": "MIT",
       "dependencies": {
         "preact": "^10.17.0",