Fix blend alpha colors with editor background in inline preview (#33513)
Closes #33505
## Before
<img width="434" alt="Screenshot 2025-06-27 at 12 22 57"
src="https://github.com/user-attachments/assets/ac215a39-b3fe-4c9e-bd7d-0d7568d5fd1f"
/>
## After
<img width="441" alt="Screenshot 2025-06-27 at 12 22 47"
src="https://github.com/user-attachments/assets/28218ed6-c1aa-4d3f-a268-def2fa9f0340"
/>
Release Notes:
- Fixed inline color previews not correctly blending alpha/transparency
values with the editor background
338a7395a7ddoemonn committed on 6/27/2025, 9:37:05 AM· committed by GitHubparent4c2415b