Description of problem:

AppSet create wizard "Expand to enter expression" gets repeated

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:

1. Create an AppSet app
2. Edit the app
3. Goto the placement step
4. Click "Add cluster selector"
5. Expand the section
6. Click "Add label expression" a few times
7. Every time the user clicks "Add label expression" a "Expand to enter expression" text will get added

Actual results:

Expected results:

The "Expand to enter expression" text to only display once when adding multiple label expressions.

Additional info: