including 503 for maintenance mode

Author: Vikas Agarwal

src/components/Layout/Layout.js

@@ -19,8 +19,8 @@ class Layout extends Component {
 }
 
 const mapStateToProps = ({ loadUser, projectState, projectSearch }) => {
-  const projectDetailApiCheck = !projectState.isLoading && !!projectState.error && projectState.error.code === 502
-  const projectListingApiCheck = !projectSearch.isLoading && !!projectSearch.errorr && projectSearch.error.code === 502
+  const projectDetailApiCheck = !projectState.isLoading && !!projectState.error && [502, 503].contains(projectState.error.code)
+  const projectListingApiCheck = !projectSearch.isLoading && !!projectSearch.error && [502, 503].contains(projectSearch.error.code)
   return {
     user : loadUser.user,
     isLoadingUser: loadUser.isLoading,