Add some bug fixes

Add Sorting region list by Region number.
Add check what region is existing when removing and unsubscribing from it

telezab.py

@@ -547,6 +547,14 @@ def process_remove_region(message):
         with db_lock:
             conn = sqlite3.connect('telezab.db')
             cursor = conn.cursor()
+            # Проверка существования региона
+            query = 'SELECT COUNT(*) FROM regions WHERE region_id = ?'
+            cursor.execute(query, (region_id,))
+            count = cursor.fetchone()[0]
+            if count == 0:
+                bot.send_message(chat_id, f"Регион с ID {region_id} не существует.")
+                return show_settings_menu(chat_id)
+
             query = 'UPDATE regions SET active = FALSE WHERE region_id = ?'
             app.logger.debug(f"Executing query: {query} with region_id={region_id}")
             cursor.execute(query, (region_id,))
@@ -606,10 +614,12 @@ def handle_my_subscriptions(message):
     if not user_regions:
         bot.send_message(chat_id, "Вы не подписаны ни на один регион.")
     else:
+        user_regions.sort(key=lambda x: int(x[0]))  # Сортировка по числовому значению region_id
         regions_list = format_regions_list(user_regions)
         bot.send_message(chat_id, f"Ваши активные подписки:\n{regions_list}")
     show_settings_menu(chat_id)
 
+
 # Handle displaying all active regions
 def handle_active_regions(message):
     chat_id = message.chat.id