[MOO-2370]: Bottomsheet stuttering and flickering (Android)

[MxKevinBeqo]

Checklist

• Contains unit tests ✅
• Contains breaking changes ❌
• Compatible with: MX 11
• Did you update version and changelog? ✅
• PR title properly formatted ([XX-000]: description)? ✅
• Works in Android ✅
• Works in iOS ✅
• Works in Tablet ✅

Feature specific

• Comply with designs ✅
• Comply with PM's requirements ✅

This PR contains

• Bug fix
• Feature
• Refactor
• Documentation
• Other (describe)

What is the purpose of this PR?

This PR addresses an issue on Android where the BottomSheet would randomly stutter when toggling and/or cause background flickering.

Relevant changes

• Refactored the layout calculations and initial rendering of the Modal.
• Improved backdrop animation with smooth fade-in/fade-out transitions.