build: Update to flutter 3.27

lib/pages/chat/chat.dart

@@ -818,7 +818,9 @@ class ChatController extends State<ChatPageWithRoom>
     for (final event in selectedEvents) {
       if (!event.status.isSent) return false;
       if (event.canRedact == false &&
-          !(clients!.any((cl) => event.senderId == cl!.userID))) return false;
+          !(clients!.any((cl) => event.senderId == cl!.userID))) {
+        return false;
+      }
     }
     return true;
   }

lib/pages/chat/chat_emoji_picker.dart

@@ -52,7 +52,7 @@ class ChatEmojiPicker extends StatelessWidget {
                             categoryViewConfig: CategoryViewConfig(
                               backspaceColor: theme.colorScheme.primary,
                               iconColor:
-                                  theme.colorScheme.primary.withOpacity(0.5),
+                                  theme.colorScheme.primary.withAlpha(128),
                               iconColorSelected: theme.colorScheme.primary,
                               indicatorColor: theme.colorScheme.primary,
                             ),

lib/pages/chat/chat_view.dart

@@ -364,7 +364,7 @@ class ChatView extends StatelessWidget {
                     ),
                     if (controller.dragging)
                       Container(
-                        color: theme.scaffoldBackgroundColor.withOpacity(0.9),
+                        color: theme.scaffoldBackgroundColor.withAlpha(230),
                         alignment: Alignment.center,
                         child: const Icon(
                           Icons.upload_outlined,

lib/pages/chat/events/html_message.dart

@@ -5,7 +5,6 @@ import 'package:flutter_highlighter/flutter_highlighter.dart';
 import 'package:flutter_highlighter/themes/shades-of-purple.dart';
 import 'package:flutter_html/flutter_html.dart';
 import 'package:flutter_html_table/flutter_html_table.dart';
-import 'package:flutter_math_fork/flutter_math.dart';
 import 'package:html/dom.dart' as dom;
 import 'package:linkify/linkify.dart';
 import 'package:matrix/matrix.dart';
@@ -133,9 +132,6 @@ class HtmlMessage extends StatelessWidget {
       extensions: [
         RoomPillExtension(context, room, fontSize, linkColor),
         CodeExtension(fontSize: fontSize),
-        MatrixMathExtension(
-          style: TextStyle(fontSize: fontSize, color: textColor),
-        ),
         const TableHtmlExtension(),
         SpoilerExtension(textColor: textColor),
         const ImageExtension(),
@@ -331,39 +327,6 @@ class SpoilerExtension extends HtmlExtension {
   }
 }
 
-class MatrixMathExtension extends HtmlExtension {
-  final TextStyle? style;
-
-  MatrixMathExtension({this.style});
-  @override
-  Set<String> get supportedTags => {'div'};
-
-  @override
-  bool matches(ExtensionContext context) {
-    if (context.elementName != 'div') return false;
-    final mathData = context.element?.attributes['data-mx-maths'];
-    return mathData != null;
-  }
-
-  @override
-  InlineSpan build(ExtensionContext context) {
-    final data = context.element?.attributes['data-mx-maths'] ?? '';
-    return WidgetSpan(
-      child: Math.tex(
-        data,
-        textStyle: style,
-        onErrorFallback: (e) {
-          Logs().d('Flutter math parse error', e);
-          return Text(
-            data,
-            style: style,
-          );
-        },
-      ),
-    );
-  }
-}
-
 class CodeExtension extends HtmlExtension {
   final double fontSize;
 

lib/pages/chat/events/reply_content.dart

@@ -39,7 +39,7 @@ class ReplyContent extends StatelessWidget {
 
     return Material(
       color: backgroundColor ??
-          theme.colorScheme.surface.withOpacity(ownMessage ? 0.2 : 0.33),
+          theme.colorScheme.surface.withAlpha(ownMessage ? 50 : 80),
       borderRadius: borderRadius,
       child: Row(
         mainAxisSize: MainAxisSize.min,