Extension API: browser.tabs.executeScript() silently fails

Cannabat

Test extension:

orion-test-extension.zip

2kB

Steps to reproduce:
Happens in compatibility mode.

Unzip and install extension from file
Open extension's console and normal browser console
Right click on any page
Click Orion Test Extension
In the extension console, Got context menu click on extension entry is logged
In the browser control, nothing is logged

Expected behavior:

Browser console should log Script has run from browser.tabs.executeScript()

Orion and macOS:
Version 0.99.109-beta (WebKit 613.1.12)
macOS 12.0.1 (21A559)

Extensions:

DarkReader
Bitwarden
The test extension

Edit: pls ignore the commented out IIFE in script.js 😅 has nothing to do with this issue