Fixed mustache formatting to make new fields conditional

shared/workspaces/alembic/versions/f2a76d224984_add_product_group_id_to_the_curator_.py

@@ -27,12 +27,12 @@ old_json = """{
 """
 
 new_json = """{
-  "product_group_id": "{{product_group_id}}"
-  "input_group_locator": "{{input_group_locator}}"
   "product_locator": "{{product_locator}}",{{#data_location}}
   "data_location": "{{data_location}}",{{/data_location}}
   "product_type": "{{product_type}}",{{#target_list}}
-  "target_list": ["{{target_list}}"],{{/target_list}}
+  "target_list": ["{{target_list}}"],{{/target_list}}{{#product_group_id}}
+  "product_group_id": {{product_group_id}},{{/product_group_id}}{{#input_group_locator}}
+  "input_group_locator": "{{input_group_locator}}",{{/input_group_locator}}
   "projectMetadata": {
     "telescope": "{{telescope}}",
     "projectCode": "{{projectCode}}"