Commit Changes on the Snapshot Differences Page
On the Snapshot Differences page, you can create new Snapshot Differences record. Click on the Calculate Differences button. When the file differences appear under file Differences section, select metadata that you want to commit and click on the Commit Changes button.
On the Commit Changes modal, you should select a user story to commit on.
After you select a proper user story and click on Go to Commit page, you will be redirected to the related Snapshot Commits page, as the item you select on the previous page are preselected.
You can just do your commit without changing anything.