View a previous version of a page loads the current version

Issue Summary

When attempted to view a previous version of a page from page history, the page is still showing the current version.

Steps to Reproduce

1. Create a new page and publish it
2. Edit it, make some changes and publish it again, so you can have 2 versions of the same page
3. Go to Page History
4. Click on the link to first version (v. 1)

Expected Results

The page loads the old content in v.1 before making the changes.

Actual Results

The page is loading the current version of the page.

Additional Notes

Same behaviour in both old and new Confluence editors.

Workaround

Open the old version link in a new browser tab.