refac: allow html video controls

src/lib/components/chat/Messages/Markdown/HTMLToken.svelte

@@ -32,6 +32,7 @@
 				title="Video player"
 				frameborder="0"
 				referrerpolicy="strict-origin-when-cross-origin"
+				controls
 				allowfullscreen
 			></video>
 		{:else}