[gnome-shell] extensionsService: Log error if preferences dialog failed to open

[Marge Bot <marge-bot src gnome org>]

commit a8a79c03330427808e776c344f7ebc42782a1b5a
Author: Simon Schneegans <code simonschneegans de>
Date:   Sat May 1 18:15:50 2021 +0000

    extensionsService: Log error if preferences dialog failed to open
    
    This is helpful for continuous integration checks to see whether the
    preferences dialog of an extension can be opened successfully.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1830>

 js/dbusServices/extensions/extensionsService.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/js/dbusServices/extensions/extensionsService.js b/js/dbusServices/extensions/extensionsService.js
index ce98bbf575..6556d3cf31 100644
--- a/js/dbusServices/extensions/extensionsService.js
+++ b/js/dbusServices/extensions/extensionsService.js
@@ -211,6 +211,7 @@ var ExtensionPrefsDialog = GObject.registerClass({
             this._stack.visible_child = widget;
         } catch (e) {
             this._setError(e);
+            logError(e, 'Failed to open preferences');
         }
     }