fix: update branding package with correct DE list, initcpio, and launcher fixes

calamares-branding-antergos-next (pkgrel 19):
- calamares-next.sh: fix SetConfig() symlink clobber — rm symlink
  before cp so config is written as standalone file
- show.qml: remove squished logo slider, clean background overlay
  layout, remove Budgie references
- settings_offline.conf: dracut/dracutlukscfg -> initcpiocfg/initcpio/
  luksopenswaphookcfg; services-openrc -> services-artix;
  removeuser -> postcfg
- settings_online.conf: same initcpio/service fixes; netinstall ->
  packagechooser + unpackfs; remove removeuser
- packagechooser.conf: full DE selector with valid Artix groups
  (Plasma, Xfce, Cinnamon, MATE, LXQt, i3, Sway, Hyprland)
  + No Desktop option

packages/calamares-branding-antergos-next/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=calamares-branding-antergos-next
 pkgver=1.0
-pkgrel=17
+pkgrel=19
 pkgdesc="Calamares branding for Antergos NeXT with offline/online installer support"
 arch=('any')
 url="https://github.com/Antergos-NeXT"