Description of problem:

in migration waves unable to remove applications assigned to migration wave

Version-Release number of selected component (if applicable):

How reproducible:

always

Steps to Reproduce:
1.navigate to migration waves
2.create a migration wave and assign application/s to it
3.try to remove it (not from the edit applications dialog!!) but outside it

Actual results:

getting an error and app is not removed

Expected results:

to be removed successfully 

Additional info: