refactor: parallelize scheduler retrieval
refactor: parallelize scheduler retrieval

In many cases, a user may only set a global scheduler, and as such we waste the initial call to get the app scheduler. Parallelizing the fetch increases the speed at which we can check for the scheduler.

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