feat: FeFlood (#2487)

# Summary

Continuation of #2362 implementing `FeFlood` filter
https://www.w3.org/TR/SVG11/filters.html#feFloodElement

## Test Plan

Example app → Filters → `FeFlood`

## Compatibility

| OS      | Implemented |
| ------- | :---------: |
| iOS     |    ✅      |
| macOS   |    ✅ _*_      |
| Android |    ✅      |
| Web     |    ✅      |

_* `canvasWidth/canvasHeight` is incorrect on macOS, so there might be
some problems_

react-native.config.js

@@ -18,6 +18,7 @@ module.exports = {
               'RNSVGClipPathComponentDescriptor',
               'RNSVGDefsComponentDescriptor',
               'RNSVGFeColorMatrixComponentDescriptor',
+              'RNSVGFeFloodComponentDescriptor',
               'RNSVGFeGaussianBlurComponentDescriptor',
               'RNSVGFeMergeComponentDescriptor',
               'RNSVGFeOffsetComponentDescriptor',