use get_response_json in get_category_products

Adds the body guard this site lacked; a non-dict body now logs and
returns before the fan-out instead of raising on searchTotalCount.

samsung_shop/samsung_shop_monitor.py

@@ -14,7 +14,7 @@ from monitor_utils.runner import (
     run_bounded_cycle,
     setup_monitor_logging,
 )
-from monitor_utils.sessions import send_request
+from monitor_utils.sessions import get_response_json, send_request
 from motor.motor_asyncio import AsyncIOMotorCollection
 
 setup_monitor_logging(monitor="samsung_shop")
@@ -73,7 +73,12 @@ async def get_category_products(
         headers={"content-type": "application/x-www-form-urlencoded"},
     )
 
-    data = response.json()
+    data = get_response_json(
+        response, logger=LOGGER, category=category_id, offset=offset
+    )
+    if data is None:
+        return
+
     if offset != 0:
         await process_page(data, category_id, offset, collection)
         return