Fieldset is not grayed out as it is being used in the Structure

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.1 CE GA2, 7.4.2 CE GA3, 7.4.13 DXP GA1, Master
• Component/s: Data Engine
• Labels:
  • soy_removal_in_forms
• Fix Priority: 3
• Sprint: Forms_7.4_16
• Git Pull Request: https://github.com/liferay-forms/liferay-portal/pull/260

Description
The created Fieldset is black even when it is being used in the Structure.
Steps to Reproduce

1. Go to Content & Data > Web Content > Structures;
2. Add a new Structure;
3. Go to Fieldsets and create a new Fieldset;
4. Add a text field and save the Fieldset;
5. Add it to the structure builder and save the Structure;
6. Go back to created Structure > Fieldsets

Expected Result
The created Fieldset should be grey because it is being used in the Structure.
Actual Result
The Fieldset used in the Structure is black.
Reproduced In
master: 4e08b7ebfb836c9e2588390025762ba59f4ff4ce