gnome-desktop: build mesa first

mesa 24.2.3_1 has a dependency cycle so make sure mesa 24.2.3_2 is built
before gnome-desktop.

srcpkgs/gnome-desktop/template

@@ -9,7 +9,7 @@ configure_args="-Dudev=enabled -Dsystemd=disabled
 hostmakedepends="gettext itstool pkg-config glib-devel"
 makedepends="eudev-libudev-devel gsettings-desktop-schemas-devel gtk4-devel gtk+3-devel
  iso-codes libglib-devel libseccomp-devel libX11-devel libXext-devel
- libxkbfile-devel libXrandr-devel gdk-pixbuf-devel"
+ libxkbfile-devel libXrandr-devel gdk-pixbuf-devel libgbm-devel"
 depends="bubblewrap gsettings-desktop-schemas iso-codes xkeyboard-config"
 short_desc="GNOME desktop management utilities"
 maintainer="Orphaned <orphan@voidlinux.org>"