Add new extensions on IProcess

The [ProcessExtensions](https://github.com/PHOENIXCONTACT/MORYX-Framework/blob/05d74c8cf54030626e028cb2da811de45526fb95/src/Moryx.AbstractionLayer/Process/ProcessExtensions.cs#L6) define several shortcuts to get information from a process. These could be extended to simplify the life of developers.

- `GetOrder(this IProcess process)`
- `GetOperation(this IProcess process)`

