handle_detector-release: 1.0.4-1 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `handle_detector-release` to `1.0.4-1`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.1`
- previous version for package: `1.0.3-0`

## handle_detector

```
* added visualization_msgs to manifest and CMakeLists
* Contributors: Andreas
```