When clicking on two different categories when "Allow Multiple Categories" is no, two categories are selected

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X
• Fix Version/s: 7.2.10 DXP FP5, 7.2.10.2 DXP SP2, 7.2.X
• Component/s: Asset Framework
• Labels:
  • ee-ts
  • liferay-dxp-72-sp2
  • liferay-fixpack-dxp-5-7210
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay/liferay-portal-ee/pull/18475

Steps to Reproduce

1. Go to Site Content -> Categorization -> Categories
2. Edit the default Topic vocabulary
3. Toggle Allow Multiple categories to No. Click on Save.
4. Add 3 categories in Topic - A, B, C
5. Create a new Basic web content
6. Under Metadata category, click on Select next to Topic. This opens a new popup window which allows user to select the categories
7. First select A, and then click on B.
8. Click on Add

Result: You will see both categories for the article.