fix date_picker, fix filter, improve language selector

bot/handlers/menu/language.py

@@ -1,6 +1,7 @@
 from aiogram import Router, F
 from aiogram.types import Message, CallbackQuery, InlineKeyboardButton, InlineKeyboardMarkup
 from aiogram.fsm.context import FSMContext
+from aiogram.utils.i18n import I18n
 from logging import getLogger
 from sqlmodel.ext.asyncio.session import AsyncSession
 
@@ -69,7 +70,9 @@ async def set_language(message: CallbackQuery, **kwargs):
     user.lang = LanguageBase(callback_data.data)
     await db_session.commit()
 
-    await route_callback(message, **kwargs)
+    i18n: I18n = kwargs["i18n"]
+    with i18n.use_locale(user.lang):
+        await route_callback(message, **kwargs)
 
 
 from ..navigation import pop_navigation_context, save_navigation_context