WorkflowJob should set the workflow launch_type for spawned jobs

awx/main/models/unified_jobs.py

@@ -394,6 +394,7 @@ class UnifiedJob(PolymorphicModel, PasswordFieldsModel, CommonModelNameNotUnique
         ('callback', _('Callback')),        # Job was started via host callback.
         ('scheduled', _('Scheduled')),      # Job was started from a schedule.
         ('dependency', _('Dependency')),    # Job was started as a dependency of another job.
+        ('workflow', _('Workflow')),        # Job was started from a workflow job.
     ]
 
     PASSWORD_FIELDS = ('start_args',)

awx/main/models/workflow.py

@@ -256,6 +256,8 @@ class WorkflowJobNode(WorkflowNodeBase):
             extra_vars.update(functional_aa_dict)
         if extra_vars:
             data['extra_vars'] = extra_vars
+        # ensure that unified jobs created by WorkflowJobs are marked
+        data['launch_type'] = 'workflow'
         return data
 
 class WorkflowJobOptions(BaseModel):