[MOO-2427] : Remove reanimated dependency from FAB 11-12-x

[saurabhchavan1711]

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

• removes reanimated dependency from FAB widget
• migrates FAB widget from class to functional component
• fixes issue of caption not visible when FAB is placed horizontally centered.