Log Message:
graphics/kvantum: update to 1.0.8

V1.0.8
---------
 - Fixed dragging of inactive windows of multi-window apps under Wayland.
 - Fixed a miscalculation about setting menu-item height in a rare case.
 - Improved the workaround for Qt's hover bug in combo-boxes (especially under
   Wayland).
 - Workaround for Qt's hover bug in header views (especially under Wayland).
 - Support combo menu icons whose widths are greater than the small icon size.
 - Limited the extra vertical margins of menu-item icons to 1px.
 - Smaller text-icon spacing for editable comboboxes that are drawn as lineedits.
 - Added vertical text margins of lineedits to their heights.
 - Also animate busy progressbars without `QWidget` (like \ 
"indeterminate" QML
   progressbars).