Move baseYear into books adoption JSON

[CORE-758]

Author: RoyEJohnson

src/app/pages/adoption/how-using/how-using.js

@@ -86,12 +86,12 @@ export default function HowUsing({selectedBooks, year}) {
                 name: title,
                 students: Number(bookData[name]),
                 howUsing: useData[name],
-                language
+                language,
+                baseYear: year
             });
         });
 
         return JSON.stringify({
-            baseYear: year,
             Books: rewrittenBookData
         });
     }, [bookData, useData, selectedBooks, year]);

src/app/pages/renewal-form/renewal-form.tsx

@@ -63,10 +63,10 @@ function HiddenFields({
     const json = React.useMemo(
         () =>
             JSON.stringify({
-                baseYear: year,
                 Books: selectedItems.map(({value: name}) => ({
                     name,
-                    students: +counts[name]
+                    students: +counts[name],
+                    baseYear: year
                 }))
             }),
         [selectedItems, counts, year]