refactor: enhance error handling and theming in EnhancedErrorService

- Updated the EnhancedErrorService to utilize the dynamic theme context for improved color handling in SnackBars and AlertDialogs.
- Replaced hardcoded color values with theme-based colors to ensure better accessibility and visual consistency across the application.
- Added context parameter to various components to facilitate theme integration, enhancing the overall user experience.
- Improved the readability of error messages by applying appropriate text colors based on the current theme.

lib/features/auth/views/authentication_page.dart

@@ -314,6 +314,7 @@ class _AuthenticationPageState extends ConsumerState<AuthenticationPage> {
           size: 48,
           useGradient: true,
           addShadow: true,
+          context: context,
         ).animate().scale(
           duration: AnimationDuration.pageTransition,
           curve: Curves.easeOutBack,

lib/features/auth/views/server_connection_page.dart

@@ -356,6 +356,7 @@ class _ServerConnectionPageState extends ConsumerState<ServerConnectionPage> {
                 size: 64,
                 useGradient: true,
                 addShadow: true,
+                context: context,
               ),
               // Reviewer mode badge
               if (reviewerMode)