Extension will not load on MacOS Firefox v107

[mcheck]

    Hi @jplattel Thank you for your work on this extension!

I have an issue loading the extension in Firefox:
Temp disable xpinstall.signatures.required in about:config
The build/firefox folder has firefox-obsidian-clipper-0.5.0.zip as well as previous versions.
Loading it to MacOS 12.6.1 Firefox 107.0.1 results in:

I'm noticing this is not the same issue, because I cannot load the extension. I'll create a separate issue ticket.

It may be related to:
#55

[kmf]

I'm getting this error

[kmf]

Ref: #69