fix[frontend](broadcast): removed duplicated broadcast close button

[AlexSanchez-bit]

No description provided.

[github-actions]

✅ AI review — Clean

No issues detected in this diff.

✅ architecture (gemini-3-flash-lite) — clean

Summary: Frontend UI adjustment for broadcast dialog cancel button behavior.

No findings.

✅ bugs (gemini-3-flash-lite) — clean

Summary: BroadcastDialog update changes cancel button behavior when a result is present.

No findings.

✅ security (gemini-3-flash-lite) — clean

Summary: No vulnerabilities or information disclosures introduced in the React component diff.

No findings.

🔴 go-deps — pending updates

🔍 Discovered 30 Go projects

📦 Dependencies with updates available:

  📁 ./plugins/stats:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./plugins/feeds:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./plugins/aws:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./plugins/rule-flood-guard:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./plugins/alerts:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./plugins/events:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

  📁 ./backend:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.28

❌ Please update dependencies before merging.