Commands with list of output items should allow multiple formats

For example `ee site info` should allow output in different formats like `yaml`,`json`. This should happen to maintain parity with the other commands like `ee site list`, `ee auth list global`

Example:
```bash
ee site list --format=table
ee site list --format=json
ee auth list global --format=table
ee auth list global --format=json
```

Now,
```bash
# This works
ee site info example.com
# This doesn't work
ee site info example.com --format=json
```