Steps to reproduce:

1. create a process application, whereby the containing process has an embedded start form
2. deploy the process application to a container
3. login into cockpit
4. go to the repository view
5. select the corresponding deployment
6. redeploy the process
7. switch to tasklist
8. try to start a process instance of the process

Problem:
The returned context path is null, so that the form key cannot be resolved correctly to load the embedded form.

Hint:
The REST Api calls ManagementService#getProcessApplicationForDeployment() which will return always null in this context.