disable load more button when data are been loaded

jam-ui/src/components/page/JKPeopleList.js

@@ -28,7 +28,7 @@ const JKPeopleList = ({ people, goNextPage, hasNext, isLoading }) => {
       </Table>
 
       {hasNext && (
-        <Button color="primary" outline={true} onClick={() => goNextPage()} data-testid="paginate-next-page">
+        <Button color="primary" outline={true} onClick={() => goNextPage()} disabled={isLoading} data-testid="paginate-next-page">
           {isLoading ? <span>Loading...</span> : <span>Load More</span>}
         </Button>
       )}