domoticz: fix chown call

[eugpermar]

📦 domoticz

Maintainer: @dwmw2

Description: Fix the bad chown call

---

🧪 Run Testing Details

• OpenWrt Version: 24.10.4
• OpenWrt Target/Subtarget: All
• OpenWrt Device: All

---

✅ Formalities

• I have reviewed the CONTRIBUTING.md file for detailed contributing guidelines.

If your PR contains a patch:

• It can be applied using git am
• It has been refreshed to avoid offsets, fuzzes, etc., using

  make package/<your-package>/refresh V=s

• It is structured in a way that it is potentially upstreamable
  _{(e.g., subject line, commit description, etc.)
  We must try to upstream patches to reduce maintenance burden.}