How to reproduce:
1. Create a new HDRP project
2. Open the "OutdoorsScene"
3. In the Hierarchy, select the "Sun" GameObject
4. In the Inspector, under the "Light" Component, navigate to the Emission -> Cookie
5. Try clicking on the field

Expected results: The texture selection opens when you click on the square of the field
Actual results: The texture selection opens only when clicking on a small dot which might not be intuitive 

Reproducible with: 2021.3.43f1, 2022.3.44f1, 6000.0.18f1

Reproducible on: Windows 11 Pro
Not reproducible on: No other environment tested