List Variable is Not Working for Blueprint Templates

Steps to Reproduce

1. General Configuration > Global Templates and Blueprints
2. Edit any blueprints
3. Add a new variable with List option.
4. Add few options for the list
5. Save
6. Create a page with this template

   Expected Results

A drop-down menu with options will be shown to users.

Actual Results

The list is not showing on the page.

Note

Interestingly, the drop-down menu is showing when previewing the template on Global Templates and Blueprints page.

Workaround

There's no workaround at the moment.