voidcannon: properly sync data in store, fix flickering icon

src/content/articles/playground/content.md

@@ -15,15 +15,21 @@ This document is designed to test all aspects of the pagex Markdown renderer.
 
 To modify the test document, make changes in `/src/content/articles/playground/content.md`.
 
-## Custom Elements
+## Media Player Playground
-
-Voidcannon provides a set of custom html elements that can be used within the standard markdown html syntax.
 
 <voidcannon-media-player></voidcannon-media-player>
 <voidcannon-media-player video-id="PJ4ZnABLkSg"></voidcannon-media-player>
 <voidcannon-media-player video-id="FFgdqhXuldQ"></voidcannon-media-player>
 <voidcannon-media-player video-id="vRdE82xYQhU"></voidcannon-media-player>
 
+### Same Video ID as the last entry above
+
+<voidcannon-media-player video-id="vRdE82xYQhU"></voidcannon-media-player>
+
+## Custom Elements
+
+Voidcannon provides a set of custom html elements that can be used within the standard markdown html syntax.
+
 ### &lt;voidcannon-carousel&gt;
 
 `<voidcannon-carousel>` turns any content into a carousel. Carousels are not server-rendered.