[BUG] Can't run a single component without running everything

In order to initialise the project what I'd like to do is something like 
```
exo workspace init
exo start db
npx prisma migrate dev
exo stop db
```

In practice this doesn't work because `exo apply` is never called. But if I call `exo apply` that then runs every service, some of which misbehave if I haven't yet performed the initialisation.




