Gadgets returns 401 after a long time of inactivity

Issue Summary

You can configure gadgets to refresh automatically after an amount of time.

Currently, if you leave a tab open for a long time (e.g. around 1 hour), the gadget will return a 401 error when you go back to that tab when it tries to refresh itself:

Manually clicking on the ellipses button -> Refresh will not work.

That was more easily replicable with the roadmap gadget

Steps to Reproduce

• Create a roadmap gadget
• Set its refresh internal to 15 minutes
• Leave the tab where the gadget is, and come back after around 1 hour

Expected Results

The gadget will reload normally.

Actual Results

The gadget fails with a 401 error.

Workaround

Reload the page.