IAP Catalog remove product “x” and add product “+” buttons are not consistent with other remove and add buttons in the Editor

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Install the In-App Purchasing package
3. Create a new IAP Button (GameObject > In-App Purchasing > IAP Button)
4. Open the IAP Catalog in the Inspector window
5. Observe the IAP Catalog

Actual results: IAP Catalog remove “x” and add “+” buttons are not consistent with other remove and add buttons in the Editor

Expected results: The buttons match the general button design 

Reproducible with versions: 6000.0.60f1, 6000.2.9f1, 6000.3.0b7, 6000.4.0a3

Tested on (OS): MacOS Silicon Sequoia 15.6.1