fix: SVGs are filled with black instead of none (#2693)

[ClaudiuHBann]

Summary

This PR truly fixes issue https://github.com/software-mansion/react-native-svg/issues/2693 😄

Those changes fix multiple bugs:

• extractedProps were not forwarded to children of RNSVGGroup
• colors coming from AST were already brushes
• fill was not appended to the propList when defaultFill was used

Test Plan

Run any test involving SVG string parsing on Windows.

Compatibility

OS	Implemented
Windows	✅
iOS	✅
MacOS	✅
Android	✅
Web	✅

Checklist

• [x] I have tested this on a device and a simulator
• [ ] I added documentation in README.md
• [ ] I updated the typed files (typescript)
• [ ] I added a test for the API in the __tests__ folder

[ClaudiuHBann]

@bohdanprog, would you mind reviewing this PR when you have time? 😄