Feature: TCP/UDP connection management with force-disconnect

Add a connection-management feature to YAMA: a toolbar button (after MCP)
opens a dialog listing the managed host's TCP/UDP connections, with
right-click force-disconnect for IPv4 TCP rows.

Client: a new CConnectionsManager enumerates connections via iphlpapi
(GetExtendedTcpTable/GetExtendedUdpTable, IPv4+IPv6) and answers the
refresh and kill commands over a sub-connection.

Server: a new CConnectionsDlg (DialogBase) shows the list with sortable
columns and a right-click menu; the title-bar icon reuses the toolbar's
connection icon (res/connections.ico).

Fix byte order found during review: iphlpapi returns an IPv4 address as a
network-order DWORD and the port's low 16 bits in network order, so
storing them raw made the dialog show reversed IPv4 addresses and ports.
The client now stores addresses as network-order bytes and ports as host
order (ntohs), and reverses the conversion on disconnect.

Co-Authored-By: deepseek-v4-pro

server/2015Remote/lang/en_US.ini

@@ -2067,3 +2067,12 @@ JPEG
 %s · 约 %.2f MB/s=%s · about %.2f MB/s
 %s · 不受限速（受网络带宽约束）=%s · Unlimited (limited by network bandwidth)
 文件传输速度已保存。上传速度重启主控端后生效；下载速度下次打开文件管理或远程桌面后生效。=Transfer speed saved. Upload speed takes effect after restarting the master; download speed takes effect the next time you open File Manager or Remote Desktop.
+
+连接管理=Connections
+%s - 连接管理=%s - Connections
+本地地址=Local Address
+本地端口=Local Port
+远端地址=Remote Address
+远端端口=Remote Port
+连接数:%d=Connections: %d
+强制断开=Force Disconnect