Reproduction steps:
1. Open the attached “BugRepro” project
2. Generate textures (GeneratePng > Perform)
3. In the Project window, observe the two generated textures Assets ending with “_case a” and “_case b“

Expected result: Both textures have their corresponding sprites generated
Actual result: “_case b” has its corresponding sprite generated, but “_case a“ sprite has not been generated and a “Sprites can not be generated from textures with NPOT scaling” warning has been logged in the Console

Reproducible with: 2021.3.35f1, 2022.3.20f1, 2023.2.10f1, 2023.3.0b7

Reproducible on: Windows 11, macOS 13.6.4 (M2) (by user)
Not reproducible on: No other environments tested