Disappeared URL-icons in context menu "Undo Close Tab" extension

[bvb25]

Describe the bug

After update 8.7.2 -> 8.7.4 (Lepton-Photon-Style) disappeared URL-icons in context menu "Undo Close Tab" extension (https://addons.mozilla.org/ru/firefox/addon/undoclosetabbutton/).

Expected behavior

Return behavior like in previous 8.7.2 version.

Screenshots

OS

Windows 10

OS - Others

No response

Firefox Version

Firefox 140.5.0esr

Distribution

• Original Lepton
• Lepton's photon style
• Lepton's proton style

Theme

• Light
• Dark
• Alpenglow (System: Light)
• Alpenglow (System: Dark)
• System Default
• Others: (e.g. Photon Colors, Google Chrome Dark, Fairytale Of Nature)

Theme - More Info

No response

user.js setup

user.js setup

// Your settings

Additional context

No response

[joptvoje]

Lepton's proton style also same problem.