Issue Summary

JSM iframeSrc URL does not render the Table of Contents macro.

By inspecting the page HTML we can see part of the macro HTML is present, but the macro is not displayed.

Steps to Reproduce

1. Create a KB in a JSM project that have the Table of Contents macro.
2. Using the JSM Get Articles API, query the KB you just created.
3. The return will have an iframeSrc field.
4. Access the URL in this field.

Expected Results

Table of Contents will be present on the URL. 

Actual Results

Table of Contents is partially present in the HTML, but it is not rendered. 

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available