fix flow

fmt/Bean2CoreObj_box.cpp

@@ -155,6 +155,13 @@ namespace NekoGui_fmt {
 
         QJsonObject settings;
         if (proxy_type == proxy_VLESS) {
+            if (flow.right(7) == "-udp443") {
+                // 检查末尾是否包含"-udp443"，如果是，则删去
+                flow.chop(7);
+            } else if (flow == "none") {
+                // 不使用 flow
+                flow = "";
+            }
             outbound["uuid"] = password.trimmed();
             outbound["flow"] = flow;
         } else {