Only prompt user once when navigating away from file editor
Summary
This is a follow up to #53728 (closed). After those changes, a user now gets warned twice when hitting cancel.
Steps to reproduce
- Navigate to a file
- click edit
- Click cancel
- Observe two prompts
What is the current bug behavior?
The user gets prompted twice, warning them they will lose their changes.
What is the expected correct behavior?
A single prompt