docs(api): fix next page route

Author: desmondinho

docs/Pages/Docs/Api/Page.razor

@@ -7,7 +7,7 @@
           Title="@AppPages.ApiReference"
           Description="How to install and set up Blazor Terra in your project."
           Prev="@(new( AppPages.Installation, AppRoutes.Installation ))"
-          Next="@(new( AppPages.Map, AppPages.Map ))"
+          Next="@(new( AppPages.Map, AppRoutes.Map ))"
           Toc="@_toc">
 
     <DocsSection title="Component anatomy">