Add a fall back mechanism for ARG query for spot price history, if we get no results we can fall back to https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20%27Virtual%20Machines%27%20and%20priceType%20eq%20%27Consumption%27%20and%20contains(skuName,%20%27Spot%27)%20and%20armRegionName%20eq%20%27eastus%27
Add a fall back mechanism for ARG query for spot price history, if we get no results we can fall back to https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20%27Virtual%20Machines%27%20and%20priceType%20eq%20%27Consumption%27%20and%20contains(skuName,%20%27Spot%27)%20and%20armRegionName%20eq%20%27eastus%27