Replace the role fixup post_migrate handler with a data migration

awx/main/migrations/0174_ensure_org_ee_admin_roles.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.16 on 2022-12-07 21:11
+
+from django.db import migrations
+
+from awx.main.migrations import _rbac as rbac
+from awx.main.migrations import _migration_utils as migration_utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0173_instancegroup_max_limits'),
+    ]
+
+    operations = [
+        migrations.RunPython(migration_utils.set_current_apps_for_migrations),
+        migrations.RunPython(rbac.create_roles),
+    ]