Make TiledDataset better

```[tasklist]
### TiledDataset
- [ ] https://github.com/DKISTDC/dkist/issues/404
- [ ] https://github.com/DKISTDC/dkist/issues/403
- [ ] https://github.com/DKISTDC/dkist/issues/401
- [ ] https://github.com/DKISTDC/dkist/issues/405
```

```[tasklist]
### Related Functionality
- [ ] https://github.com/DKISTDC/dkist/pull/343
```
