fix: properly handle multiple containers in ps:inspect
fix: properly handle multiple containers in ps:inspect

Closes #4015

claytonbrown/dokku,claytonbrown/dokku,claytonbrown/dokku,claytonbrown/dokku,progrium/dokku,dokku/dokku,progrium/dokku,progrium/dokku,progrium/dokku,progrium/dokku,dokku/dokku,dokku/dokku,progrium/dokku,progrium/dokku,dokku/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,dokku/dokku,claytonbrown/dokku,claytonbrown/dokku,claytonbrown/dokku,dokku/dokku,dokku/dokku