Fix html.img event bug in Fabric

[necolas]

React Native's "Fabric" architecture appears to have a bug and does not populate the Image 'load' event with 'source' data.

[github-actions]

compressed-size: runtime library

Size change: +0.00 kB
Total size: 18.79 kB

Filename: gzip (minify)	kB size	kB change	% change
./packages/react-strict-dom/dist/native/index.js	14.83 (46.37)	+0.00 (+0.00)	0.0% (0.0%)

View unchanged

Filename: gzip (minify)	kB size	kB change	% change
./packages/react-strict-dom/dist/dom/index.js	3.00 (9.04)	0.00 (0.00)	0.0% (0.0%)
./packages/react-strict-dom/dist/dom/runtime.js	0.95 (2.33)	0.00 (0.00)	0.0% (0.0%)

[nmn]

Looks good!

[necolas]

RN issue: facebook/react-native#43874