gnome-shell: Update timed login indicator

Based on upstream commit:
https://gitlab.gnome.org/GNOME/gnome-shell/-/commit/11965324938bc99e1507682b6f9db1eeaef1eeeb

Author: jnsh

common/gnome-shell/40/sass/_common.scss

@@ -2596,9 +2596,7 @@ $dash_bottom_margin: 20px;
   &:ltr .user-widget { padding-right: 1em; }
   &:rtl .user-widget { padding-left: 1em; }
   .login-dialog-timed-login-indicator {
-    height: 2px;
     margin-top: 6px;
-    background-color: $osd_fg_color;
   }
   &:selected .login-dialog-timed-login-indicator { background-color: $selected_fg_color; }
 }
@@ -2627,6 +2625,11 @@ $dash_bottom_margin: 20px;
   padding-top: 16px;
 }
 
+.login-dialog-timed-login-indicator {
+  height: 2px;
+  background-color: $osd_fg_color;
+}
+
 .login-dialog-prompt-layout {
   padding-top: 24px;
   padding-bottom: 12px;