SystemTools: Expose GetActualCaseForPathCached publicly
Callers that previously used it through CollapseFullPath may need to
use it directly since !305 (merged).
System updates will be applied on January 22st between 0900 AM and 1200 PM, EST (UTC-05:00). This site may have intermittent downtime during that time.
Callers that previously used it through CollapseFullPath may need to
use it directly since !305 (merged).