Configure universe sources in canary ISO. (LP: #2033109)

debian/changelog

@@ -2,6 +2,7 @@ livecd-rootfs (23.10.24) UNRELEASED; urgency=medium
 
   * update-source-catalog: Fix case where a variaton does not point at the
     base layer (i.e. most builds) (LP: #2033168) 
+  * Configure universe sources in canary ISO. (LP: #2033109)
 
  -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Mon, 28 Aug 2023 10:39:52 +1200
 

live-build/auto/config

@@ -722,6 +722,7 @@ case $PROJECT in
 				esac
 				;;
 			canary)
+				touch config/universe-enabled
 				PASSES_TO_LAYERS="true"
 				# the standard layer, contains all base common packages for later layers
 				add_task standard minimal standard ubuntu-desktop ubuntu-desktop-default-languages