KDE: Update KDE Plasma to 6.3.0
Announcement: https://kde.org/announcements/plasma/6/6.3.0/
kde.mk:
- Bump kdecoration library version.
devel/plasma6-plasma5support:
- USE_KDE+= idletime
x11-wm/plasma6-kwin:
- Backport upstream fix for kwin_x11 crash.
www/plasma6-plasma-browser-integration:
- Do not build flatpak-integrator, which is no-op for us and fails to build due to missing headers.
sysutils/plasma6-kinfocenter:
- Add build dependence on graphics/vulkan-headers and pkgconfig.
Special thanks to Loïc Bartoletti <lbartoletti@> for tracing
clang/c++/Qt culprit, and to Jason E. Hale <jhale@> for prompt fix.