[util*] revert central cache_tree path; needs too much changes atm

lib/util-iso.sh

@@ -615,6 +615,7 @@ load_profile(){
 	[[ -d ${work_dir}/root-image ]] && check_chroot_version "${work_dir}/root-image"
 
 	eval_edition "$1"
+	local cache_tree=iso/${iso_edition}/${dist_release}
 	cache_dir_iso="${cache_dir}/${cache_tree}/$1"
 	prepare_dir "${cache_dir_iso}"
 }

lib/util-publish.sh

@@ -25,6 +25,7 @@ sync_dir(){
 }
 
 set_src_dir(){
+	cache_tree=iso/${iso_edition}/${dist_release}
         src_dir=${cache_dir}/${cache_tree}/$1
 }
 

lib/util.sh

@@ -427,8 +427,6 @@ init_buildiso(){
 	[[ -z ${use_overlayfs} ]] && use_overlayfs='true'
 	used_kernel=$(uname -r | cut -d . -f1)
 	[[ ${used_kernel} -lt "4" ]] && use_overlayfs='false'
-
-	cache_tree=iso/${iso_edition}/${dist_release}
 }
 
 init_deployiso(){