docs(examples/load-more-infinite-scroll): fix wrong condition (TanStack#3175)

Author: maricabertarini

examples/load-more-infinite-scroll/pages/index.js

@@ -65,9 +65,9 @@ function Example() {
               onClick={() => fetchPreviousPage()}
               disabled={!hasPreviousPage || isFetchingPreviousPage}
             >
-              {isFetchingNextPage
+              {isFetchingPreviousPage
                 ? 'Loading more...'
-                : hasNextPage
+                : hasPreviousPage
                 ? 'Load Older'
                 : 'Nothing more to load'}
             </button>