[gnome-shell-sass] theme: Handle fallback app icons in notifications

[Florian Müllner <fmuellner src gnome org>]

commit 5824ac6e13f1a0e73e82812318199f3d27d5e9db
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Mar 8 14:12:12 2019 +0100

    theme: Handle fallback app icons in notifications
    
    Since commit 3eb80dc6c0, the size of notification icons is determined
    by the theme to make it font-relative. Also handle the case where the
    icon isn't an StIcon, but a fallback window icon.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/1027

 _common.scss | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/_common.scss b/_common.scss
index 9dedbdc..afd1be5 100644
--- a/_common.scss
+++ b/_common.scss
@@ -1031,6 +1031,11 @@ StScrollBar {
             -st-icon-style: symbolic;
           }
 
+          .message-icon-bin > .fallback-window-icon {
+            width: 1.09em;
+            height: 1.09em;
+          }
+
           .message-secondary-bin {
             padding: 0 0.82em;;
           }