style(ui): 调整弹窗和提交窗口的样式与布局

1. 为提交根容器添加overflow-y-auto防止内容溢出
2. 放大应用详情弹窗最大宽度从5xl到6xl
3. 提升弹窗和滚动区域的最大高度从85vh到90vh
4. 移除应用详情描述区域多余的overflow-y-auto

src/components/SubmitterWindow.vue

@@ -1,6 +1,6 @@
 <template>
   <div
-    class="min-h-screen bg-slate-50 dark:bg-slate-950 text-slate-900 dark:text-slate-100"
+    class="min-h-screen overflow-y-auto bg-slate-50 dark:bg-slate-950 text-slate-900 dark:text-slate-100"
   >
     <div
       class="sticky top-0 z-30 border-b border-slate-200/70 bg-white/95 px-4 py-3 backdrop-blur dark:border-slate-800/70 dark:bg-slate-900/95"