Config: Fix some issues (#6640)

https://github.com/XTLS/Xray-core/pull/6640#issuecomment-5420106315

Fixes https://github.com/XTLS/Xray-core/issues/6636
Fixes https://github.com/XTLS/Xray-core/issues/6600
...

common/reflect/marshal_test.go

@@ -207,6 +207,7 @@ func getConfig() string {
       "tag": "XHTTP_IN",
       "streamSettings": {
         "network": "xhttp",
+		"security": "tls",
         "xhttpSettings": {
           "host": "bing.com",
           "path": "/xhttp_client_upload",