Issue Summary

When trying to download a commit through the UI for a past commit, the "Download repository" button does not work.

Steps to Reproduce

1. Open the repository
2. Click "Commits" on the left menu
3. Browse to the commit I want to download and click the commit link,
4. Click "View source" button at the top right of the window (next to "Approve" button)
This allows browsing the old commit and files through the web UI.
5. Click the button with three dots and click "Download repository".
6. At this point nothing happens. There's no error message or anything.

Expected Results

When clicking on the "Download repository" button, the download of the repository at that specific commit should start.

Actual Results

After clicking the "Download repository" button, nothing happens.

Workaround

Copy the commit hash from the URL and access the following download URL with the commit hash replacing the placeholder text:

https://bitbucket.org/<workspace-slug>/<repo-slug>/get/<commit-hash>.zip