fix(localization): force PRIVATE ChatType for InlineQueries

Telegram recently started to report the chat type BOT for inline queries made at a bot chat, which broke our localization logic.
It's just better to force PRIVATE chat type, since there's no information about the actual chat.

eduu/utils/localization.py

@@ -90,7 +90,7 @@ async def get_lang(message: CallbackQuery | Message | InlineQuery) -> str:
         chat_type = message.chat.type
     elif isinstance(message, InlineQuery):
         chat = message.from_user
-        chat_type = message.chat_type
+        chat_type = ChatType.PRIVATE
     else:
         raise TypeError(f"Update type '{message.__name__}' is not supported.")