[gnome-shell] loginDialog: Don't display timed login indicator if unused

[Ray Strode <halfline src gnome org>]

commit 1dd16618d15c850d6f7652c382b915f0938c6959
Author: verdre <verdre v0yd nl>
Date:   Sat Apr 7 21:23:13 2018 +0200

    loginDialog: Don't display timed login indicator if unused
    
    This fixes the slightly bigger padding underneath the login item compared to the padding above

 js/gdm/loginDialog.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js
index 052a1d814..bf7967700 100644
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -85,7 +85,8 @@ var UserListItem = new Lang.Class({
                                              GObject.BindingFlags.SYNC_CREATE);
 
         this._timedLoginIndicator = new St.Bin({ style_class: 'login-dialog-timed-login-indicator',
-                                                 scale_x: 0 });
+                                                 scale_x: 0,
+                                                 visible: false });
         layout.add(this._timedLoginIndicator);
 
         this.actor.connect('clicked', this._onClicked.bind(this));
@@ -125,6 +126,8 @@ var UserListItem = new Lang.Class({
 
         this.hideTimedLoginIndicator();
 
+        this._timedLoginIndicator.visible = true;
+
         let startTime = GLib.get_monotonic_time();
 
         this._timedLoginTimeoutId = GLib.timeout_add (GLib.PRIORITY_DEFAULT, 33,
@@ -151,6 +154,8 @@ var UserListItem = new Lang.Class({
             GLib.source_remove(this._timedLoginTimeoutId);
             this._timedLoginTimeoutId = 0;
         }
+
+        this._timedLoginIndicator.visible = false;
         this._timedLoginIndicator.scale_x = 0.;
     }
 });