Updated webviewer version for view mode

Author: maggievu-pdftron

client/package.json

@@ -6,7 +6,7 @@
     "@chakra-ui/react": "^1.6.4",
     "@emotion/react": "^11.4.0",
     "@emotion/styled": "^11.3.0",
-    "@pdftron/webviewer": "^7.3.2",
+    "@pdftron/webviewer": "^8.2.0-20211006",
     "@pdftron/webviewer-html": "^3.0.10",
     "@testing-library/jest-dom": "^5.11.5",
     "@testing-library/react": "^11.1.0",