chore(ui): 首页导航黄色按钮从 Full Info Board 换成 Cable Manager 入口

把 index.html 文件管理器工具栏的黄色 var(--warning) 按钮：
- href: /infoboard.html -> /cablemanager.html
- 文案: Full Info Board -> Cable Manager
- 保留 target=_blank（新标签打开线缆分组管理页，避免丢当前文件视图）

客户端 bump v1.0.104 -> v1.0.105

CloudServer/public/index.html

@@ -980,7 +980,7 @@
                     <span id="selection-count"
                         style="font-size:0.8rem; color:var(--text-muted); display:flex; align-items:center;"></span>
                     <button class="btn btn-primary" onclick="showRadioStream()" title="View Radio Streams">Radio Stream</button>
-                    <a href="/infoboard.html" target="_blank" class="btn btn-primary" style="text-decoration:none; background: var(--warning); color: black; border-color: var(--warning);">Full Info Board</a>
+                    <a href="/cablemanager.html" target="_blank" class="btn btn-primary" style="text-decoration:none; background: var(--warning); color: black; border-color: var(--warning);">Cable Manager</a>
                     <a href="/generator.html" class="btn btn-primary" style="text-decoration:none">Broadcast Generator</a>
                     <a href="/tempbroadcast.html" class="btn btn-primary" style="text-decoration:none">Temp Broadcast</a>
                     <a href="/music.html" class="btn btn-primary" style="text-decoration:none">Music</a>