fix: 修复媒体服务器卡片关闭按钮被背景图遮挡的问题

package.json

@@ -1,6 +1,6 @@
 {
   "name": "moviepilot",
-  "version": "2.10.3",
+  "version": "2.10.4",
   "private": true,
   "type": "module",
   "bin": "dist/service.js",

src/styles/common.scss

@@ -50,6 +50,7 @@ html.v-overlay-scroll-blocked body {
 
 // 应用类信息卡片：固定右侧媒体槽位，避免图片被左侧文字挤压变形
 .app-card-shell {
+  position: relative;
   block-size: 100%;
 }