Could verify on 4.8.0-0.nightly-2022-02-15-120158 that not all secrets are fetched for helm anymore. The secrets which are fetched are also fetched as partial data to reduce network traffic and used memory.
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 4.8.32 bug fix update), 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-2022:0559