Stickers with black shadow have white shadow

[Neurotoxin001]

Checklist

• [x] I am reporting an issue in existing functionality that does not work as intended
• [x] I've searched for existing GitHub issues

Description

Stickers with black shadow have white shadow when I apply them from iOS

Expected Behavior

Stickers with black shadow must have black shadow

Actual Behavior

Stickers with black shadow have white shadow

Steps to Reproduce

1. Install https://t.me/addstickers/Transparency_test
2. Apply stickers to any image
3. Shadow of will be white

Screenshots and Videos

Tdesktop: iOS:

Environment

Device: iPhone XR

iOS version: 16.1

App version: 9.1.0