[nautilus] Adwaita.css: Sidebar Unmount Icon Color Style

[Carlos Soriano <csoriano src gnome org>]

commit d63340d68667e0f8b80b7ab81cee4b03b9b4f437
Author: Timothy OBrien <obrien timothy a gmail com>
Date:   Mon Jan 14 00:13:40 2019 +1100

    Adwaita.css: Sidebar Unmount Icon Color Style
    
    The unmount icon for a device was displayed in inverted color when the device was selected in the sidebar.
    Applied styling to use the same theme color as other selected icons.
    Fixes #645

 src/resources/css/Adwaita.css | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/resources/css/Adwaita.css b/src/resources/css/Adwaita.css
index dba165d25..1dc10768b 100644
--- a/src/resources/css/Adwaita.css
+++ b/src/resources/css/Adwaita.css
@@ -81,6 +81,7 @@ entry.search > * {
 }
 
 .sidebar-row:selected,
+.sidebar-row:selected image,
 .sidebar-row:selected label {
     color: mix(@theme_fg_color, @theme_text_color, 0.5);
 }