Fix missing renaming of logout => logoutLink

During development, this was previously named `logout`. This cleans up a
remaining instance of `logout`, renaming it to the preferred
`logoutLink` to remain consistent with the rest of the codebase.

ui/src/utils/ajax.js

@@ -44,7 +44,7 @@ export default async function AJAX({
     return {
       ...response,
       auth: {links: auth},
-      logout: links.logout,
+      logoutLink: links.logout,
     }
   } catch (error) {
     const {response} = error