fix: set DIALOG=read for armbian-config in chroot (non-interactive)

Author: igorpecovnik

lib/functions/rootfs/distro-agnostic.sh

@@ -432,7 +432,7 @@ function install_distribution_agnostic() {
 		# chroot's /etc/passwd. Clearing it lets getuser fall through to
 		# the awk path (which finds nothing in build mode → mode=build
 		# skips it entirely).
-		chroot_sdcard "SUDO_USER= DEBIAN_FRONTEND=noninteractive armbian-config --api module_desktops install de=${DESKTOP_ENVIRONMENT} tier=${DESKTOP_TIER:-mid} mode=build"
+		chroot_sdcard "SUDO_USER= DEBIAN_FRONTEND=noninteractive DIALOG=read armbian-config --api module_desktops install de=${DESKTOP_ENVIRONMENT} tier=${DESKTOP_TIER:-mid} mode=build"
 
 		# Disable display managers for first boot — armbian-firstrun
 		# enables the appropriate one after initial setup completes.