feat: Add optional params for wrapCollectionLayout function (#121)

* feat: Add optional params for wrapCollectionLayout function

Pass allowComponentWithoutStories as true to render collection without a dummy story

* fix: change the param names

* fix: change the param name in the comment

* Fix: Remove the condition to add dummy story for nested collections

* fix: pr changes

Author: nandap4790

src/components/wrap-collection-layout.js

@@ -42,10 +42,6 @@ function WrapCollectionComponent(Component) {
       stories = stories.slice(0, associatedMetadata.initial_stories_load_count);
     }
 
-    if(stories.length === 0) {
-      return <div></div>
-    }
-
     const data = Object.assign({}, props, {
       stories: stories,
       associatedMetadata: associatedMetadata,