feat: Refactor global event handling in ArtPlayer

- Introduced a new globalInit function to manage document and window events.
- Replaced direct event proxies with a unified bindGlobalEvents method.
- Updated event handling in various modules to utilize the new global event system.
- Removed the deprecated documentInit module.
- Bumped version to 5.2.6 in package.json.

packages/artplayer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "artplayer",
-  "version": "5.2.5",
+  "version": "5.2.6",
   "description": "ArtPlayer.js is a modern and full featured HTML5 video player",
   "author": "Harvey Zack <laozhaochaguan@gmail.com>",
   "license": "MIT",