feat(core): add media tracks and renditions support (#1664)

packages/html/src/store/media-attach-mixin.ts

@@ -45,11 +45,15 @@ export function createMediaAttachMixin(context: MediaContext): MediaAttachMixin
       }
 
       override disconnectedCallback() {
-        super.disconnectedCallback?.();
+        // Detach the store while the media chain is still live so features
+        // (e.g. remote-playback) can clean up against the real underlying
+        // element. Destroying the media host first would null the layer
+        // chain's target before listeners get a chance to unwind.
         this.#setMedia?.(null);
         this.#unsubscribe?.();
         this.#unsubscribe = null;
         this.#setMedia = null;
+        super.disconnectedCallback?.();
       }
     }