fix: allow help navigation outside help mode

bot.py

@@ -387,9 +387,6 @@ async def help_navigation(callback: CallbackQuery, state: FSMContext) -> None:
     message = callback.message
     if not isinstance(message, Message):
         return
-    if await current_mode(state) != "help":
-        await callback.answer("Сначала открой режим /help.", show_alert=True)
-        return
     section = (callback.data or "help:menu").split(":", 1)[1]
     if not await edit_rich_message(
         message,