refactor: Update video element in Artplayer to support custom canvas or video

packages/artplayer/src/index.js

@@ -156,7 +156,7 @@ export default class Artplayer extends Emitter {
             autoPlayback: false,
             autoOrientation: false,
             airplay: false,
-            video: null,
+            proxy: null,
             layers: [],
             contextmenu: [],
             controls: [],