show server uuid in "list-mdns" subcommand output

git-svn-id: https://xpra.org/svn/Xpra/trunk@14013 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/scripts/main.py

@@ -2480,14 +2480,17 @@ def show_new_found():
             recs = found[uq]
             for i, rec in enumerate(recs):
                 iface, _, _, host, address, port, text = rec
+                uuid = text.get("uuid")
                 display = text.get("display")
                 mode = text.get("mode", "")
                 username = text.get("username", "")
                 session = text.get("session")
                 if i==0:
                     print("* user '%s' on '%s'" % (username, host))
                     if session:
-                        print(" session '%s'" % session)
+                        print(" session '%s', uuid=%s" % (session, uuid))
+                    elif uuid:
+                        print(" uuid=%s" % uuid)
                 print(" + %s endpoint on host %s, port %i, interface %s" % (mode, address, port, iface))
                 dstr = ""
                 if display.startswith(":"):