[BUG] chrome.scripting.registerContentScripts doesn't return a Promise in Firefox #1304
Description
What happened?
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Chrome_incompatibilities
Version
Latest
What OS are you seeing the problem on?
No response
What browsers are you seeing the problem on?
Firefox
Relevant log output
(OPTIONAL) Contribution
- I would like to fix this BUG via a PR
Code of Conduct
- I agree to follow this project's Code of Conduct
- I checked the current issues for duplicate problems.