RE1-T110 Adding videos to calls

[ucswift]

Summary by CodeRabbit

• New Features

  • Manage call video feeds: add/edit/list/soft-delete, ordering, metadata, optional coordinates; API endpoints and new “VideoFeeds” tab in call view.
  • Communication Tests: admin UI to create/run/schedule tests, start on‑demand runs (48h rate limit), background processing, run reports, and capture responses via SMS/email/voice/push.

• Improvements

  • Call edit: optional notifications for removed dispatch entities and refined auto-broadcast behavior.
  • Login region selector, calendar recurrence weekday options, contact category selector, geofence alerts.

• Tests

  • Unit tests for video feeds and communication test workflows.