Enabled the metrics for downloads and views on a preprint (#2558)

-   Ticket: [ENG-7941]
-   Feature flag: n/a

## Purpose
Enabled the metrics for downloads and views on a preprint

## Summary of Changes
Removed the comments around the code to include the metrics.


[ENG-7941]: https://openscience.atlassian.net/browse/ENG-7941

Author: bp-cos

app/preprints/detail/route.ts

@@ -63,14 +63,12 @@ export default class PreprintsDetail extends Route {
             const preprint = await this.store.findRecord('preprint', guid, {
                 reload: true,
                 include: embeddableFields,
-                /*
                 adapterOptions: {
                     query: {
                         'metrics[views]': 'total',
                         'metrics[downloads]': 'total',
                     },
                 },
-                */
             });
 
             const provider = await preprint?.get('provider');