[gnome-shell] keyboard: Fix missing key icons in numeric level

[Florian Müllner <fmuellner src gnome org>]

commit 168cfdd86b5df770a491b33906157b5d4b25dff9
Author: Emre Uyguroglu <uyguremre gmail com>
Date:   Fri Jul 17 11:56:14 2020 +0000

    keyboard: Fix missing key icons in numeric level
    
    Those were missed in commit 57669bca1b2.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2631

 js/ui/keyboard.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index c9b3dd5f77..4f85336e7b 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -42,7 +42,7 @@ const defaultKeysPost = [
     [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }],
      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' 
}],
      [{ label: '=/<', width: 3, level: 3, right: true }],
-     [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 
'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }]],
+     [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 
'layout-key', icon: 'keyboard-layout-filled-symbolic' }, { action: 'hide', extraClassName: 'hide-key', icon: 
'go-down-symbolic' }]],
     [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }],
      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' 
}],
      [{ label: '?123', width: 3, level: 2, right: true }],