Missing properties in REPORT response

Taken from https://github.com/owncloud/ocis/issues/4712

Web affected: https://github.com/owncloud/web/issues/7780
>Owner is not shown -> might be a backend thing as well since the owner is missing in `REPORT` requests

The following properties are missing in the REPORT response:

For file:
```
oc:size
oc:owner-id
oc:owner-display-name
```
For folder:
```
oc:owner-id
oc:owner-display-name
```

### Steps
```bash
curl -XREPORT "https://localhost:9200/remote.php/dav/spaces" \
-d '











(name:"*share*" OR content:"share")

' \
-uadmin:admin -vk
```

### Expected
```xml
6
admin
Admin
```