fix(web): URL 查询参数使用 Uri.EscapeDataString 编码

防止参数值中的特殊字符（&、=、空格等）破坏 URL 结构。

Author: AlianBlank

Runtime/Web/WebProtoBuffManager.cs

@@ -91,7 +91,7 @@ private string UrlHandler(string url, Dictionary<string, string> queryString)
 
                 foreach (var kv in queryString)
                 {
-                    m_StringBuilder.AppendFormat("{0}={1}&", kv.Key, kv.Value);
+                    m_StringBuilder.AppendFormat("{0}={1}&", Uri.EscapeDataString(kv.Key), Uri.EscapeDataString(kv.Value));
                 }
 
                 url = m_StringBuilder.ToString(0, m_StringBuilder.Length - 1);