FULL STEPS:

1. Check if using atto editor as the default editor (Site administration>Plugins>Text editors>Manage editors)
2. Go to a course and Create/Edit a database activity
3. Go to Templates tab
4. Click the tag (left panel) you want to use on the template (right panel)

WHAT YOU EXPECTED:
I expected that after clicking the tag name it would appear on the right panel.

WHAT ACTUALLY HAPPENS:
Nothing