Renaming a sprint shouldn't require a page refresh to be displayed

Issue Summary

When renaming a sprint, the sprint is indeed renamed as expected, yet, it requires the user to refresh the page to see it taken place.

Steps to Reproduce

1. Create a new Scrum board
2. Try to rename a sprint on it
3. Sprint will be renamed, but user needs to refresh the page in order to see the change.
4. After reproducing this in a new Scrum board, it's very likely the user will also reproduce the issue in other existing Scrum boards

Expected Results

Page should be responsive enough to display the new name straight away

Actual Results

The sprint is indeed renamed as expected, yet, it requires the user to refresh the page to see it taken place.

Workaround

Refresh the page in order to see the rename.