Modification on object types in Assets might cause columns in Confluence assets macro defined on that schema to disappear

Issue Summary

Modification on an Assets object type e.g.

• New object type created or deleted
• `Object schema user` role assigned for a particular object type in Assets

if that object type has columns that  are selected in the Confluence assets macro (like common columns such as Label , Created , Updated  and Key ) would cause those columns in LoL table to disappear.

Steps to Reproduce

1. Create a Confluence page and add assets macro. 
2. Select schema and define AQL
3. Select Created column along other desired columns
4. Publics the page
5. Go to Assets and add another object type
6. Refresh the Confluence page

Expected Results

The table to show results as before

Actual Results

The Created column won't show in the list.

Workaround

The JSM agent to update assets macro on the page and reselect the column.