Under Mobile Device Families, the form fields for classification rules disappear when trying to add/edit the rules.
Steps to reproduce:
1. Nav to Liferay Menu > Configuration > Mobile Device Families
2. Add Mobile Device Family
3. Add Classification
4. Assert exandable and form fields are not present
Expected: Expandable and form fields are present
5. Click Ellipsis next to created classification > Edit
Expandable and form fields disappear
Expandable and form fields remain present on page
Tomcat 9.0.6 + MySQL 5.7. Portal master GIT ID: 8f1fb01131f6e987b263a98cbdf62f941c9d2862.