Font editor icon missing in menu

Summary:

While the font editor dialog has an icon (looks like an outlined F), that icon is not displayed in the menu.

Steps to reproduce:

• open Inkscape
• click on Text menu

What happened?

Everything has an icon, but not this one.

What should have happened?

The F icon should be there in the menu.

Version info

Inkscape 1.4-dev (f1dee062c7, 2023-05-29)

    GLib version:     2.72.4
    GTK version:      3.24.33
    glibmm version:   2.66.2
    gtkmm version:    3.24.5
    libxml2 version:  2.9.13
    libxslt version:  1.1.34
    Cairo version:    1.16.0
    Pango version:    1.50.6
    HarfBuzz version: 2.7.4

    OS version:       Linux Mint 21.1