"Manage repositories" text appears behind its panel

When hovering the gear icon (mouse pointer on top of it), the "manage repositories" text appears behind the panel. Might be an issue in `libcosmic` but I have not noticed it elsewhere

<img width="534" height="265" alt="Image" src="https://github.com/user-attachments/assets/fe91d710-151f-4a69-ac84-7fc943a8fcda" />