Enhanced the broadcast dialog with better product selection UX, including a 'Done' button and improved selected products display. Updated the product selector to show more concise product descriptions, adjusted scroll area height, and improved price styling for clarity.
Introduces a NotificationProvider context to centralize notification logic and state, refactoring UnifiedNotifications to use this context. Adds a privacy toggle to AnalyticsDashboard and RevenueChart to allow hiding sensitive numbers. Updates layout to wrap the app with NotificationProvider.
