[Bug]: Firefox Addon causes "This page is asking you to confirm that you want to leave" on all navigation

[jrmuizel]

Preflight Checklist

• I have searched the issue tracker for a bug report that matches the one I want to file, without success.

What package is this bug report for?

web-extension

Version

v2.0.0

Expected Behavior

The addon should not cause these extra prompts

Actual Behavior

After installing the addon I get "This page is asking you to confirm that you want to leave — information you’ve entered may not be saved." on every page navigation on all tabs

Steps to Reproduce

• Install the addon.
• Do a google search for something
• Click on any of the results to navigate away from google.com
• Get "This page is asking you to confirm that you want to leave — information you’ve entered may not be saved." dialog

Testcase Gist URL

No response

Additional Information

No response

[jrmuizel]

I see the same thing with the Chrome extension