fix(sc): fix withComponent + styled behaviour

Author: gregberge

packages/shared/core/styled-engine/util.js

@@ -9,16 +9,12 @@ function patchStyledComponent(StyledComponent) {
   const { render, withComponent: baseWithComponent } = StyledComponent
 
   StyledComponent.withComponent = (component, ...args) => {
-    const { defaultProps, propTypes } = StyledComponent
     const Target = StyledComponent.target
     const NewTarget = props => <Target as={component} {...props} />
     // eslint-disable-next-line no-underscore-dangle
     NewTarget.__smoothUIComponent = true
     return patchStyledComponent(
-      Object.assign(baseWithComponent(NewTarget, ...args), {
-        defaultProps,
-        propTypes,
-      }),
+      Object.assign(baseWithComponent(NewTarget, ...args), StyledComponent),
     )
   }