fix: Reply fallback sometimes being stripped incorrectly

lib/components/html_message.dart

@@ -30,7 +30,10 @@ class HtmlMessage extends StatelessWidget {
     // We do *not* do this in an AST and just with simple regex here, as riot-web tends to create
     // miss-matching tags, and this way we actually correctly identify what we want to strip and, well,
     // strip it.
-    final renderHtml = html.replaceAll(RegExp('<mx-reply>.*<\/mx-reply>'), '');
+    final renderHtml = html.replaceAll(
+        RegExp('<mx-reply>.*<\/mx-reply>',
+            caseSensitive: false, multiLine: false, dotAll: true),
+        '');
 
     // there is no need to pre-validate the html, as we validate it while rendering
 

lib/components/message_content.dart

@@ -95,7 +95,7 @@ class MessageContent extends StatelessWidget {
             if (AppConfig.renderHtml &&
                 !event.redacted &&
                 event.isRichMessage) {
-              String html = event.content['formatted_body'];
+              var html = event.formattedText;
               if (event.messageType == MessageTypes.Emote) {
                 html = '* $html';
               }

lib/components/reply_content.dart

@@ -34,16 +34,18 @@ class ReplyContent extends StatelessWidget {
       if (displayEvent.messageType == MessageTypes.Emote) {
         html = '* $html';
       }
+      final fontSize = DefaultTextStyle.of(context).style.fontSize;
       replyBody = HtmlMessage(
         html: html,
         defaultTextStyle: TextStyle(
           color: lightText
               ? Colors.white
               : Theme.of(context).textTheme.bodyText2.color,
-          fontSize: DefaultTextStyle.of(context).style.fontSize,
+          fontSize: fontSize,
         ),
         maxLines: 1,
         room: displayEvent.room,
+        emoteSize: fontSize * 1.5,
       );
     } else {
       replyBody = Text(