Lightning bolt optional

src/database/admin.rs

@@ -598,7 +598,13 @@ async fn process_admin_command(
             db.users.create(&user_id, Some(password.as_str()))?;
 
             // Default to pretty displayname
-            let displayname = format!("{} ⚡️", user_id.localpart());
+            let mut displayname = user_id.localpart().to_owned();
+
+            // If enabled append lightning bolt to display name (default true)
+            if db.globals.enable_lightning_bolt() {
+                displayname.push_str(" ⚡️");
+            }
+
             db.users
                 .set_displayname(&user_id, Some(displayname.clone()))?;