Button "-" doesn't work when creating a structure with repeatable field

Issue

• After creating a structure with repeatable fields, when trying to delete a field by clicking the "-" button, the field is not deleted.

Steps to reproduce

1. Navigate to Content & Data > Web Content > Structures.
2. Create a new structure as follows:
   1. Field 1
      1. Type: Text
      2. Localizable: Yes
      3. Repeatable: Yes
   2. Field 2 (this field must be inside the previous field)
      1. Type: HTML
      2. Localizable: No
      3. Repeatable: No
3. Save.
4. Create a new Web Content based on this structure.
5. Click the "+" button to add new fields.
6. Try deleting a field by clicking the "-" button

Environment

• Liferay DXP 7.2.X
• Liferay DXP 7.3.X

Resolution

• Please request a Hotfix with LPS-167057 to resolve the issue.

Additional Information

• In Liferay 7.2.X, Patching Tool 2.0.16 or higher is required to install this Hotfix.
• Updating the Patching Tool
• Installing Fix Packs and Hotfixes on Liferay DXP