fixed small pagination issue in execute_pagination/added availability field in mongo schema

src/monitor_utils/database.py

@@ -346,6 +346,7 @@ def convert_product_to_mongo(product: Product) -> dict:
         "priceBeforeDrop": pricing["price_before_drop"],
         "eduPrice": pricing["edu_price"],
         "available": availability["available"],
+        "availabilityLastChecked": availability["availability_last_checked"],
         "condition": availability["condition"],
         "appExclusive": availability["app_exclusive"],
         "memberPick": availability["member_pick"],