[gnome-shell/T29763: 235/249] screenShield: Reorder some statements

[Matthew Leeds <mwleeds src gnome org>]

commit d36e9e9e5e3fc2763f7a7c987970f2c6a882889e
Author: Matthew Leeds <matthew leeds endlessm com>
Date:   Fri Apr 24 18:54:15 2020 -0700

    screenShield: Reorder some statements
    
    The order here doesn't matter as currently written, but it will matter
    after the next commit which adds an early return. And this is more
    consistent with upstream.
    
    https://phabricator.endlessm.com/T29527

 js/ui/screenShield.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index 95f9e1e548..f15d05ebf3 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -621,6 +621,8 @@ var ScreenShield = class {
         if (this._activationTime == 0)
             this._activationTime = GLib.get_monotonic_time();
 
+        this._ensureUnlockDialog(true);
+
         this._isGreeter = Main.sessionMode.isGreeter;
         if (!this._isGreeter) {
             let userManager = AccountsService.UserManager.get_default();
@@ -636,8 +638,6 @@ var ScreenShield = class {
                 Main.sessionMode.pushMode('unlock-dialog-payg');
         }
 
-        this._ensureUnlockDialog(true);
-
         this.actor.show();
 
         this._resetLockScreen({ animateLockScreen: animate,