TFPHttpServer doesn't expose `Address` property
## Summary
`TFPHttpServer` exposes properties inherited from `TFPCustomHttpServer`. This includes `Port`, but `Address` is missing.
<br/>see https://gitlab.com/freepascal.org/fpc/source/-/blob/main/packages/fcl-web/src/base/fphttpserver.pp#L457
To me it seems this was overlooked, unless it's intentional.
issue