Merge pull request #1901 from appirio-tech/hotfix/handling_old_projects_without_products

Patching for error in loading specification tab for https://connect.topcoder.com/projects/1218/specification

Author: vikasrohit

src/projects/detail/components/VisualDesignProjectEstimateSection.jsx

@@ -7,7 +7,7 @@ const numberWithCommas = (n) => n.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',
 
 const VisualDesignProjectEstimateSection = ({products, project}) => {
   // TODO when we support multiple products per project, we can loop through products and sum up the estimates
-  const productId = products[0]
+  const productId = products ? products[0] : null
   const product = findProduct(productId)
   if (!product || typeof product.basePriceEstimate === 'undefined') {
     return <div />