ui: svpn_run_profile use systemd-run --no-block

selective-vpn-gui/svpn_run_profile.py

@@ -175,12 +175,13 @@ def run_systemd_unit(cmdline: str, *, unit: str) -> str:
         "--user",
         "--unit",
         unit,
+        "--no-block",
         "--collect",
         "--same-dir",
     ] + args
 
     try:
-        p = subprocess.run(run_cmd, capture_output=True, text=True, check=False, timeout=8)
+        p = subprocess.run(run_cmd, capture_output=True, text=True, check=False, timeout=6)
     except subprocess.TimeoutExpired as e:
         raise RuntimeError("systemd-run timed out") from e
     out = ((p.stdout or "") + (p.stderr or "")).strip()
@@ -296,4 +297,3 @@ if __name__ == "__main__":
     except Exception as e:
         log(f"ERROR: {e}")
         raise SystemExit(1)
-