Use gomuks editSource

lib/controllers/message_controller.dart

@@ -70,6 +70,7 @@ class MessageController extends AsyncNotifier<Message?> {
       "body": newContent?["body"] ?? content["body"],
       "eventType": type,
       "avatarUrl": author?.content["avatar_url"],
+      "editSource": event.localContent?.editSource,
       "displayName": author?.content["displayname"]?.isNotEmpty == true
           ? author?.content["displayname"]
           : event.authorId.substring(1).split(":")[0],

lib/models/event.dart

@@ -38,6 +38,7 @@ abstract class Event with _$Event {
 abstract class LocalContent with _$LocalContent {
   const factory LocalContent({
     String? sanitizedHtml,
+    String? editSource,
     bool? wasPlaintext,
     bool? bigEmoji,
     bool? hasMath,

lib/widgets/chat_page/chat_box.dart

@@ -34,14 +34,7 @@ class ChatBox extends HookConsumerWidget {
     if (relationType == RelationType.edit &&
         relatedMessage is TextMessage &&
         controller.value.text.isEmpty) {
-      final text = (relatedMessage as TextMessage).text;
-      final splitText = relatedMessage?.replyToMessageId == null
-          ? text
-          : text.split("\n\n").sublist(1).join("\n\n");
-      final notEmpty = splitText.isEmpty ? text : splitText;
-      controller.value.text = notEmpty.startsWith("* ")
-          ? notEmpty.substring(2)
-          : notEmpty;
+      controller.value.text = relatedMessage?.metadata?["editSource"];
     }
 
     void send() {