Add icon to "Private Container" link contextmenu & Tab contextmenu

[surapunoyousei]

Is your feature request related to a problem?

This feature request relate to Floorp code.

The solution I'd like

Add these code to Floorp specific Lepton code.

#context_toggleToPrivateContainer {
    --menuitem-image: url("chrome://browser/skin/lepton/private-favicon.svg");      
}

#open_in_private_container {
    --menuitem-image: url("chrome://browser/skin/lepton/private-favicon.svg");
}

Screenshots or video

Alternatives I've considered

No response

Additional context

I will add this feature at 11.4.0

[black7375]

I added a few things to work. I hope it will be useful.

[surapunoyousei]

Thanks!

I will include this file next version of Floorp.!

[black7375]

I think this issue can be closed. Please let me know if you have any problems.