Using Activation and Trigger as subcategories names does not work in the Details Panel.
Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7208101), 4.24 (CL - 7216880)
Expected: There should be three subcategories under Poi
Result: The "Activation" and "Trigger" subcategories are not being added to the Details Panel
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-76824 in the post.