Roadmap Planner link will disappear after going to a different page and getting back

Issue Summary

When adding a link to a bar in the Roadmap Planner macro while viewing the page, if we go to a different page after adding the link, and then get back to that page, the link will disappear until the page is refreshed.

Steps to Reproduce

1. Create a page A and add a roadmap planner
2. Publish the page
3. Click any of the roadmap's bars and add a link to any page
4. After the link is added, navigate to any other page and then back to page A
5. Click the same bar as you just added the link

Expected Results

The link should be there

Actual Results

The link disappears until the page is reloaded
temporary_cached_link.mov

Workaround

Reload the page by using the browser's Reload this page button.