Migrated guides in the docs to v4

docusaurus/docs/Flutter/guides/customize_message_actions.mdx

@@ -38,10 +38,10 @@ Additionally, pinning a message requires you to add the roles which are allowed
 ### Partially remove some message actions
 
 For example, if you only want to keep "copy message" and "delete message",
-here is how to do it using the `messageBuilder` with our `MessageWidget`.
+here is how to do it using the `messageBuilder` with our `StreamMessageWidget`.
 
 ```dart
-MessageListView(
+StreamMessageListView(
   messageBuilder: (context, details, messages, defaultMessage) {
     return defaultMessage.copyWith(
         showFlagButton: false,
@@ -61,14 +61,14 @@ The SDK also allows you to add new actions into the dialog.
 
 For example, let's suppose you want to introduce a new message action - "Demo Action":
 
-We use the `customActions` parameter of the `MessageWidget` to add extra actions.
+We use the `customActions` parameter of the `StreamMessageWidget` to add extra actions.
 
 ```dart
-MessageListView(
+StreamMessageListView(
   messageBuilder: (context, details, messages, defaultMessage) {
     return defaultMessage.copyWith(
       customActions: [
-        MessageAction(
+        StreamMessageAction(
           leading: Icon(Icons.add),
           title: Text('Demo Action'),
           onTap: (message) {