Warning “New Sprite Atlas: There is a mismatch in secondary textures of sprites compared to WhiteUnit, wasting texture space and potentially break draw call batching. Affected Sprites are (Flag)“ is thrown when packing Atlas with Sprite Atlas V2

Reproduction steps:
1. Open the attached project "ReproProj"
2. In the Project window, select the “New Sprite Atlas”
3. In Inspector, add “Assets/Flag.png“ and “Assets/WhiteUnit.png“ to the “Objects for Packing“ field
4. Click the “Pack Preview” Button
5. Observe the Console

Expected result: No Warnings exist
Actual result: Warning is present “New Sprite Atlas: There is a mismatch in secondary textures of sprites compared to WhiteUnit, wasting texture space and potentially break draw call batching. Affected Sprites are (Flag)“

Reproducible with: 2022.3.55f1, 6000.0.32f1, 6000.1.0a9

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested