Fix missing null check in layout renderer (#221)

* fixes null exception

* docs(changeset): Reintroduces null check in the case where props can't be parsed and return empty

Author: danieldelcore

.changeset/itchy-masks-leave.md

@@ -0,0 +1,5 @@
+---
+'pretty-proptypes': patch
+---
+
+Reintroduces null check in the case where props can't be parsed and return empty

packages/pretty-proptypes/src/LayoutRenderer/index.js

@@ -35,7 +35,7 @@ export type LayoutRendererProps = {
   renderType: CommonProps => ComponentType<CommonProps>
 };
 
-const getProps = props => (props && props.component ? getPropTypes(props.component) : null);
+const getProps = props => (props && props.component ? getPropTypes(props.component) : []);
 
 const LayoutRenderer: FC<LayoutRendererProps> = ({ props, component, components, ...rest }) => {
   let resolvedProps = props;