feat(data-error-handler): Replace print with debugPrint for unhandled exceptions logging

apps/mobile/packages/data_connect/lib/src/mixins/data_error_handler.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:firebase_core/firebase_core.dart';
+import 'package:flutter/material.dart';
 import 'package:krow_domain/krow_domain.dart';
 
 /// Mixin to handle Data Layer errors and map them to Domain Failures.
@@ -62,7 +63,7 @@ mixin DataErrorHandler {
       if (e is AppException) rethrow;
 
       // Debugging: Log unexpected errors
-      print('DataErrorHandler: Unhandled exception caught: $e');
+      debugPrint('DataErrorHandler: Unhandled exception caught: $e');
       
       throw UnknownException(technicalMessage: e.toString());
     }

apps/mobile/packages/data_connect/pubspec.yaml

@@ -15,3 +15,4 @@ dependencies:
     path: ../domain
   flutter_modular: ^6.3.0
   firebase_data_connect: ^0.2.2+2
+  firebase_core: ^4.4.0