Long text unbroken text screens can cause horizontal scroll within the notifications sidebar.
https://github.com/openshift/console/pull/5974
Created attachment 1701154 [details] Verification screenshot
Attached the screenshot. This is verified on 4.6.0-0.nightly-2020-07-15-031221
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:4196