Add an org filter select to the dashboard that allows users to narrow
the triage queue to a specific organization. The filter uses HTMX to
update the view without a full page reload, mirroring the pattern
already used in the issues and pulls views.
Closesleeworks-agents/gitea-mobile#68
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>