feat(apps): update UI screens and shared components

- Update home screen with new composer and interactions
- Update settings screens with new profile flow
- Update calendar share dialog
- Update contacts screen
- Add new shared widgets: confirm_sheet, phone_prefix_selector
- Add new formatters: phone_display_formatter
- Update tests for modified components

apps/lib/features/home/ui/screens/home_screen_interactions.dart

@@ -27,17 +27,21 @@ extension _HomeScreenInteractions on _HomeScreenState {
     }
   }
 
-  Future<void> _sendMessage(BuildContext context) async {
+  Future<void> _sendMessage(
+    BuildContext context, {
+    String? overrideContent,
+  }) async {
     if (_isSendingMessage) {
       return;
     }
 
-    final content = _messageController.text.trim();
+    final content = (overrideContent ?? _messageController.text).trim();
     if (content.isEmpty && _selectedImages.isEmpty) return;
 
     final images = List<XFile>.from(_selectedImages);
 
-    FocusScope.of(context).unfocus();
+    final currentFocus = FocusManager.instance.primaryFocus;
+    currentFocus?.unfocus();
     _messageController.clear();
     setState(() {
       _isSendingMessage = true;