backport multiple commits
Backport from master these bug fixes:
- Fix window title with UTF-8 strings : !10737 (merged)
- fixes blank screen on Windows with OSPRay >=2.12 : !10753 (merged)
- Fix wrong sign in vtkImplicitPolyDataDistance : !10758 (merged)
- vtkOpenVDBReader: Fix a FileName leak : !10772 (merged)
- Fix test compilation due to missing header include : !10788 (merged)
- BorderWidget: Leaving the viewport should unselect : !10775 (merged)
backport: release
Edited by Lucas Givord