feat(xray): accept the TUN WFP leak ports of xray-core 26.10.31

xray-core 26.10.31 (#7288) widened a TUN inbound's
autoSystemWfpBlockLeak: "dns" now also blocks DNS over TLS/QUIC (port
853), "windnsclient" covers only Windows' DNS Client service, and any
"tcp/<port>" or "udp/<port>" keeps that port inside the TUN. Anything
else, such as "tcp/0" or "icmp/1", stops the core at startup.

The form offers windnsclient and takes typed port values, the hint
explains them in all 14 locales, and the inbound and template save
paths run the core's own ExpandWfpBlockLeak so a value it refuses is
refused at save instead of taking every inbound down.

frontend/src/pages/inbounds/form/protocols/tun.tsx

@@ -46,9 +46,10 @@ function StringList({ name, label, tooltip, placeholder }: StringListProps) {
   );
 }
 
-// xray-core 26.9.30 accepts exactly these autoSystemWfpBlockLeak values.
+// Named autoSystemWfpBlockLeak values; xray-core 26.10.31 also takes typed "tcp/<port>" or "udp/<port>".
 const WFP_BLOCK_LEAK_OPTIONS = [
   { value: 'dns', label: 'dns' },
+  { value: 'windnsclient', label: 'windnsclient' },
   { value: 'misconfigtun', label: 'misconfigtun' },
 ];
 
@@ -110,7 +111,8 @@ export default function TunFields() {
       >
         <Select
           id="tun-wfp-block-leak"
-          mode="multiple"
+          mode="tags"
+          tokenSeparators={[',', ' ']}
           allowClear
           options={WFP_BLOCK_LEAK_OPTIONS}
         />