export: fix list-apps path search for custom home dirs, Fix #1226

Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>

distrobox-export

@@ -553,33 +553,12 @@ export_application() {
 #	a list of exported apps
 #	or error code.
 list_exported_applications() {
-	canon_dirs=""
-
-	IFS=":"
-	if [ -n "${XDG_DATA_DIRS}" ]; then
-		for xdg_data_home in ${XDG_DATA_HOME}; do
-			[ -d "${xdg_data_home}/applications" ] && canon_dirs="${canon_dirs} ${xdg_data_home}/applications"
-		done
-	else
-		[ -d /usr/share/applications ] && canon_dirs="/usr/share/applications"
-		[ -d /usr/local/share/applications ] && canon_dirs="${canon_dirs} /usr/local/share/applications"
-		[ -d /var/lib/flatpak/exports/share/applications ] && canon_dirs="${canon_dirs} /var/lib/flatpak/exports/share/applications"
-	fi
-	if [ -n "${XDG_DATA_HOME}" ]; then
-		for xdg_data_dir in ${XDG_DATA_DIRS}; do
-			[ -d "${xdg_data_dir}/applications" ] && canon_dirs="${canon_dirs} ${xdg_data_dir}/applications"
-		done
-	else
-		[ -d "${HOME}/.local/share/applications" ] && canon_dirs="${canon_dirs} ${HOME}/.local/share/applications"
-	fi
-	unset IFS
-
 	# In this phase we search for applications exported.
 	# First find command will grep through all files in the canonical directories
 	# and only list files that contain the $DISTROBOX_ENTER_PATH.
 	desktop_files=$(
 		# shellcheck disable=SC2086
-		find ${canon_dirs} -type f -print -o -type l -print 2> /dev/null | sed 's/./\\&/g' |
+		find "/run/host${host_home}/.local/share/applications" -type f -print -o -type l -print 2> /dev/null | sed 's/./\\&/g' |
 			xargs -I{} grep -l -e "Exec=.*${DISTROBOX_ENTER_PATH:-"distrobox.*enter"}.*" "{}" | sed 's/./\\&/g' |
 			xargs -I{} printf "%s@" "{}"
 	)