fix: Add undo option for force name change in moderation log

- Introduced a new entry in the moderation log schema for 'undo_force_name_change', enabling tracking of the action to revert a forced name change.
- This addition enhances the moderation capabilities by providing a clear record of undo actions related to name changes.

Author: codergautam

models/ModerationLog.js

@@ -33,6 +33,7 @@ const moderationLogSchema = new mongoose.Schema({
       'ban_temporary',      // Temporary ban with duration
       'unban',              // Lifted a ban
       'force_name_change',  // Force user to change name
+      'undo_force_name_change', // Undo a force name change
       'name_change_approved', // Approved a pending name change
       'name_change_rejected', // Rejected a pending name change
       'name_change_manual',   // User-initiated name change (voluntary)