Workaround due to bug in OpenShift 4.1

Author: Rayford Johnson

Diff for: roles/mig_controller_deploy/templates/controller.yml.j2

@@ -12,6 +12,9 @@ spec:
   mig_controller_image: {{ mig_controller_img }}
   mig_controller_version: {{ mig_controller_tag }}
   mig_ui_image: {{ mig_ui_img }}
+{% if mig_operator_tag == 'stable' %}
+  snapshot_tag: {{ mig_operator_tag }}
+{% endif %}
   mig_ui_version: {{ mig_ui_tag }}
   velero_image: {{ mig_velero_img }}
   velero_version: {{ mig_velero_tag }}