Description of problem:
An user is able to add just one task (User, Script, Send etc.) from Shape Repository. If the user tries to add another task to canvas then Generic Task is added.

Version-Release number of selected component (if applicable):
BPMS 6.0.0 ER 1

How reproducible:

Steps to Reproduce (see attached video):
1. add two User Tasks to the canvas

Actual results:
The first task has attributes for User Task.
The second one is Generic Task.

Expected results:
Both tasks are User Tasks.