fix: 解决 app-v3 video 组件部分情况在 iOS 上无法显示的问题

src/platforms/app-plus/view/components/video/index.vue

@@ -168,7 +168,14 @@ export default {
       this.video && this.video.setStyles(this.position)
     }, { deep: true })
     this.$watch('hidden', (val) => {
-      this.video && this.video[val ? 'hide' : 'show']()
+      const video = this.video
+      if (video) {
+        video[val ? 'hide' : 'show']()
+        // iOS 隐藏状态设置 setStyles 不生效
+        if (!val) {
+          video.setStyles(this.position)
+        }
+      }
     })
     events.forEach(key => {
       video.addEventListener(key, (data = {}) => {