build: Update to flutter 3.27

lib/widgets/connection_status_header.dart

@@ -86,7 +86,6 @@ extension on SyncStatusUpdate {
       case SyncStatus.processing:
       case SyncStatus.cleaningUp:
       case SyncStatus.finished:
-      default:
         return L10n.of(context).synchronizingPleaseWait;
     }
   }

lib/widgets/error_widget.dart

@@ -35,7 +35,7 @@ class _FluffyChatErrorWidgetState extends State<FluffyChatErrorWidget> {
       child: Placeholder(
         child: Center(
           child: Material(
-            color: Colors.white.withOpacity(0.9),
+            color: Colors.white.withAlpha(230),
             borderRadius: BorderRadius.circular(8),
           ),
         ),

lib/widgets/log_view.dart

@@ -78,7 +78,6 @@ extension on LogEvent {
       case Level.debug:
         return Colors.white;
       case Level.verbose:
-      default:
         return Colors.grey;
     }
   }

lib/widgets/qr_code_viewer.dart

@@ -56,13 +56,13 @@ class QrCodeViewer extends StatelessWidget {
     final theme = Theme.of(context);
     final inviteLink = 'https://matrix.to/#/$content';
     return Scaffold(
-      backgroundColor: Colors.black.withOpacity(0.5),
+      backgroundColor: Colors.black.withAlpha(128),
       extendBodyBehindAppBar: true,
       appBar: AppBar(
         elevation: 0,
         leading: IconButton(
           style: IconButton.styleFrom(
-            backgroundColor: Colors.black.withOpacity(0.5),
+            backgroundColor: Colors.black.withAlpha(128),
           ),
           icon: const Icon(Icons.close),
           onPressed: Navigator.of(context).pop,
@@ -73,7 +73,7 @@ class QrCodeViewer extends StatelessWidget {
         actions: [
           IconButton(
             style: IconButton.styleFrom(
-              backgroundColor: Colors.black.withOpacity(0.5),
+              backgroundColor: Colors.black.withAlpha(128),
             ),
             icon: Icon(Icons.adaptive.share_outlined),
             onPressed: () => FluffyShare.share(
@@ -86,7 +86,7 @@ class QrCodeViewer extends StatelessWidget {
           const SizedBox(width: 8),
           IconButton(
             style: IconButton.styleFrom(
-              backgroundColor: Colors.black.withOpacity(0.5),
+              backgroundColor: Colors.black.withAlpha(128),
             ),
             icon: const Icon(Icons.download_outlined),
             onPressed: () => _save(context),

lib/widgets/theme_builder.dart

@@ -5,6 +5,8 @@ import 'package:dynamic_color/dynamic_color.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
+import 'package:fluffychat/utils/color_value.dart';
+
 class ThemeBuilder extends StatefulWidget {
   final Widget Function(
     BuildContext context,
@@ -72,7 +74,7 @@ class ThemeController extends State<ThemeBuilder> {
     } else {
       await preferences.setInt(
         widget.primaryColorSettingsKey,
-        newPrimaryColor.value,
+        newPrimaryColor.hexValue,
       );
     }
     setState(() {