Please describe the problem:
When i assigne a work and a meterial resource to a task than the workload of the task is split evenly between these two. Evanthough the material resource is used by the work resource like a technitian to accomplish the task. Thus the full work load should be booked to the work resource only.

Steps to reproduce:
1. create a task 
2. assign a workload and a duration
3. create a work resource (technitian)
4. create a material resource (lab)
5. assign the technitian to the task
6. assign the lab to the task

Actual results:
The technitian has only havlve of the workload assigned eventhough he is the only one who is doing the work in the lab.
The lab has assigned the other half of the workload eventhough it does not do any work at all, it has to be available that the technitian can do his work.

Expected results:
The techintian has assigne all the workload.
The lab has assigned no workload.

Does this happen every time?
yes

Other information:
Version. 0.14.2