Issue Summary

Nested workflow conditions are blocking Migrate all Data at Once migrations.

Steps to Reproduce

1. Create a Project
2. Click on "Project settings"
3. Add some conditions to your workflow project
4. Click on "Add grouped conditions" to add a nested condition to your project.
5. Click "Publish"
6. Go to the Migration Dashboard: System -> Migrate to Cloud
7. Click on "Create Migration"
8. Migrate using "Migrate all data at once"

Expected Results

• Migration finishes with success 

  Actual Results

The below exception is thrown in the log file:

java.lang.ClassCastException: class com.opensymphony.workflow.loader.ConditionsDescriptor
 cannot be cast to class com.opensymphony.workflow.loader.ConditionDescriptor 
 (com.opensymphony.workflow.loader.ConditionsDescriptor 
 and com.opensymphony.workflow.loader.ConditionDescriptor are in unnamed module of loader 
 org.apache.catalina.loader.ParallelWebappClassLoader @70e659aa) 
 (StackTrace=java.lang.ClassCastException: 
  class com.opensymphony.workflow.loader.ConditionsDescriptor 
  cannot be cast to class com.opensymphony.workflow.loader.ConditionDescriptor 
  (com.opensympho

Workaround

Currently, there is no known workaround for this behavior, hotfix version is being prepared to fix it