Don't show click cursor on scrolling frames

Reproduction Steps
The click cursor should be used to indicate that something is clickable. Scrolling frames are not clickable, clicking and dragging does not scroll, so the cursor should be the same unless the user is hovering over the scroll bar

Expected Behavior
The expected behavior is no hover cursor

Actual Behavior
A hover cursor

Issue Area: Engine
Issue Type: Display
Impact: Low
Frequency: Constantly