minor bugfix for validator in order iphone

Author: patricebechard

src/browsergym/workarena/tasks/service_catalog.py

@@ -748,7 +748,7 @@ def validate(self, page: Page, chat_messages: list[str]) -> tuple[int, bool, str
             return 0, False, "", {"message": "The requested quantity is incorrect."}
 
         # go over values
-        if requested_item["options"][self.FIELD_NAME_MAPPING["monthly_data_allowance"]] != self.config["monthly_data_allowance"]:
+        if requested_item["options"][self.FIELD_NAME_MAPPING["monthly_data_allowance"]].lower() != self.config["monthly_data_allowance"].lower():
             return 0, False, "", {"message": "The requested monthly data allowance is incorrect."}
 
         if requested_item["options"][self.FIELD_NAME_MAPPING["replacement"]] != self.config["replacement"]: