dns ui: keep defaults visible and apply active set workflow

selective-vpn-gui/vpn_dashboard_qt.py

@@ -739,13 +739,16 @@ RU: Источник wildcard IP: резолвер, runtime nftset SmartDNS, и
             total += 1
             if bool(getattr(item, "enabled", False)):
                 active.append(addr)
+        applied = len(active)
+        if applied > 12:
+            applied = 12
         if not active:
             text = f"Resolver upstreams: active=0/{total} (empty set)"
         else:
             preview = ", ".join(active[:4])
             if len(active) > 4:
                 preview += f", +{len(active)-4} more"
-            text = f"Resolver upstreams: active={len(active)}/{total} [{preview}]"
+            text = f"Resolver upstreams: active={len(active)}/{total}, applied={applied}/12 [{preview}]"
         self.lbl_dns_resolver_upstreams.setText(text)
         self.lbl_dns_resolver_upstreams.setStyleSheet("color: gray;")