Steps to reproduce

• Open Firefox in a new profile
• Install Sidebery
• Select French as your language
• Click on a tab > Déplacer vers (Move to) >

Actual behavior

The sub-menu proposes twice "Une nouvelle fenêtre" (a new window)

Expected behavior

The second one should be "Une fenêtre existante" (an existing window).

System

MacOS 26.1

Firefox version

145

Sidebery version

5.4.0.3

Logs