[gnome-shell] loginDialog: Get resource scale by get_resource_scale

[Florian Müllner <fmuellner src gnome org>]

commit be12c71534199a1a1fd0a334d046ddb85c6f165e
Author: Xiaoguang Wang <xwang suse com>
Date:   Tue Apr 21 16:17:09 2020 +0800

    loginDialog: Get resource scale by get_resource_scale
    
    To shut up 'Getting invalid resource scale property' warnings in the log.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1206

 js/gdm/loginDialog.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js
index 16a7536cef..0ee51e6371 100644
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -810,12 +810,13 @@ var LoginDialog = GObject.registerClass({
             return;
 
         this._logoBin.destroy_all_children();
-        if (this._logoFile && this._logoBin.resource_scale > 0) {
+        const [valid, resourceScale] = this._logoBin.get_resource_scale();
+        if (this._logoFile && valid) {
             let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
             this._logoBin.add_child(this._textureCache.load_file_async(this._logoFile,
                                                                        -1, -1,
                                                                        scaleFactor,
-                                                                       this._logoBin.resource_scale));
+                                                                       resourceScale));
         }
     }