User is not warned of timeout

Fix issue described below as an example
See spreadsheet linked in epic for all references

Description
Content times out without providing any warning to the user.

Currently, no mechanism for warning the user about timeout is observed.

The problem that it causes:
This can be difficult for people with disabilities such as blindness, low vision, mobility impairments, and cognitive limitations may require more time to read content or to perform functions on the page.