Update nextcloudpi-v5.sh

check path to update host

ct/nextcloudpi-v5.sh

@@ -92,7 +92,7 @@ if command -v pveversion >/dev/null 2>&1; then
   fi
 fi
 if ! command -v pveversion >/dev/null 2>&1; then
-  if [[ ! -f /etc/apt/sources.list.d/emqx_emqx.list ]]; then
+  if [[ ! -f /lib/systemd/system/nextcloud-domain.service ]]; then
     msg_error "No ${APP} Installation Found!";
     exit 
   fi