gtk4/aboutdialog: set icon size for large icons
Added in https://github.com/GNOME/gtk/commit/65eaf8e8c41867b18e56edccb0f2c7a11a698d4d Ref: #7
parent
e11570e5
Added in https://github.com/GNOME/gtk/commit/65eaf8e8c41867b18e56edccb0f2c7a11a698d4d Ref: #7
mentioned in commit d4c9ccf7