Add missing #[serde(flatten)] to the MessageId

crates/teloxide-core/src/types/inaccessible_message.rs

@@ -9,5 +9,6 @@ pub struct InaccessibleMessage {
     /// Chat the message belonged to
     pub chat: Chat,
     /// Unique message identifier inside the chat
+    #[serde(flatten)]
     pub message_id: MessageId,
 }

crates/teloxide-core/src/types/message_origin.rs

@@ -39,6 +39,7 @@ pub enum MessageOrigin {
         /// Channel chat to which the message was originally sent
         chat: Chat,
         /// Unique message identifier inside the chat
+        #[serde(flatten)]
         message_id: MessageId,
         /// Signature of the original post author
         author_signature: Option<String>,

crates/teloxide-core/src/types/reply_parameters.rs

@@ -8,6 +8,7 @@ use crate::types::{MessageId, Recipient};
 pub struct ReplyParameters {
     /// Identifier of the message that will be replied to in the current chat,
     /// or in the chat _chat\_id_ if it is specified
+    #[serde(flatten)]
     pub message_id: MessageId,
     /// If the message to be replied to is from a different chat, unique
     /// identifier for the chat or username of the channel (in the format