ASA: Restrict Map Area

**Describe the task**

Restrict the map area that the desktop and mobile apps show:

**Acceptance Criteria**
- [ ] Desktop shows entire North America
- [ ] Mobile shows a couple of provinces around us
- [ ] AOB

**Additional context**
- Add any other context about the task here.
- Or here

The issue names no files, tests, or entry points. First clarify the intended map bounds for North America on desktop and the provinces shown on mobile, then locate the map view for each app and define completion as both platforms displaying the requested areas.

Written by the indexing model from the issue text.