Use the "right" byte-swapping function for port in Darwin DnssdImpl. (project-chip#23894)

The incoming port is in host byte order and we are converting to network byte
order, so should use htons (which happens to do the same thing as ntohs, so no
behavior change).

Co-authored-by: Andrei Litvin <andy314@gmail.com>

Author: 2 people

src/platform/Darwin/DnssdImpl.cpp

@@ -198,7 +198,7 @@ CHIP_ERROR Register(void * context, DnssdPublishCallback callback, uint32_t inte
     sdCtx->mHostNameRegistrar.Init(hostname, addressType, interfaceId);
 
     DNSServiceRef sdRef;
-    auto err = DNSServiceRegister(&sdRef, kRegisterFlags, interfaceId, name, type, kLocalDot, hostname, ntohs(port), record.size(),
+    auto err = DNSServiceRegister(&sdRef, kRegisterFlags, interfaceId, name, type, kLocalDot, hostname, htons(port), record.size(),
                                   record.data(), OnRegister, sdCtx);
     VerifyOrReturnError(kDNSServiceErr_NoError == err, sdCtx->Finalize(err));