fix: lint message not showing

Author: vernesong

luci-app-openclash/luasrc/view/openclash/config_edit.htm

@@ -51,7 +51,7 @@
     position: fixed;
     top: 0; left: 0; right: 0; bottom: 0;
     background: rgba(0, 0, 0, 0.5);
-    z-index: 10000;
+    z-index: 5;
     display: none;
     align-items: center;
     justify-content: center;