add enable flag to occ app:install (fix #5834)
add enable flag to occ app:install (fix #5834)

Signed-off-by: Klaus Herberth <d568b8cd7ef64877891488bb3328757d2d21c847@jsxc.org>

andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server