* improve transform-react-jsx typings * rename test fixtures * remove unreachable sourceSelf check * update test fixtures * Update packages/babel-core/src/index.ts * Update packages/babel-plugin-transform-react-jsx/src/create-plugin.ts Co-authored-by: Henry Zhu <hi@henryzoo.com> * Update packages/babel-plugin-transform-react-jsx/src/create-plugin.ts Co-authored-by: Henry Zhu <hi@henryzoo.com>