[FIX] Fixed bug in dropdown selector when selecting the same selection again

What does this MR do?

Fixes a bug related to this issue #38167 (closed)

Are there points in the code the reviewer needs to double check?

Though my fix works, I do not know why that if statement exists there.

Why was this MR needed?

Needed to fix a UI bug.

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests added for this feature/bug
• Review
  • Has been reviewed by UX
  • Has been reviewed by Frontend
  • Has been reviewed by Backend
  • Has been reviewed by Database
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together

What are the relevant issue numbers?

Closes #38167 (closed)