Fix openvr plugin saving visibility of text reps
Text representations were not having their visibility saved as they are not PVRepresentation subclasses. Modified the code to do a safe downcast to SMSourceProxy instead of SMPVRepresentationProxy.
System updates will be applied on May 12th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
Text representations were not having their visibility saved as they are not PVRepresentation subclasses. Modified the code to do a safe downcast to SMSourceProxy instead of SMPVRepresentationProxy.