Currently the operator package is called csi-driver-manila-operator. This creates some problems... First, this name is taken by a community operator, second, it doesn't comply with red hat's naming conventions. The package should be called manila-csi-driver-operator.
Operator has been renamed to manila-csi-driver-operator.
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