refactor(annoymous): display staff name in anonymous inbox staff message

Author: Akinator31

crates/rustmail/src/commands/edit/message_ops.rs

@@ -77,12 +77,10 @@ pub async fn format_new_message<'a>(
     }
 
     if thread_message.is_anonymous {
-        let mut inbox_builder = MessageBuilder::anonymous_staff_message(ctx, config, user.id)
+        let inbox_builder = MessageBuilder::anonymous_staff_message(ctx, config, user.id)
+            .as_staff(user.id, format!("{} ({})", user.name.clone(), "Anonymous"))
             .content(content.to_string())
             .with_message_number(message_number);
-        if let Some(role_name) = &top_role_name {
-            inbox_builder = inbox_builder.with_role(role_name.clone());
-        }
 
         let mut dm_builder = MessageBuilder::anonymous_staff_message(ctx, config, user.id)
             .content(content.to_string());

crates/rustmail/src/utils/message/message_builder.rs

@@ -806,6 +806,10 @@ impl<'a> StaffReply<'a> {
 
         let mut thread_builder = if self.is_anonymous {
             MessageBuilder::anonymous_staff_message(self.ctx, self.config, self.staff_user_id)
+                .as_staff(
+                    self.staff_user_id,
+                    format!("{} ({})", self.staff_username, "Anonymous"),
+                )
         } else {
             MessageBuilder::staff_message(
                 self.ctx,
@@ -814,6 +818,7 @@ impl<'a> StaffReply<'a> {
                 self.staff_username.clone(),
             )
         };
+
         if !self.is_anonymous
             && let Some(role_name) = &top_role_name
         {