cleanup: Remove spaces in object literals

We only adopted this style relatively recently, so there's a bit
more to adjust. Still, it's manageable and another step towards
getting rid of the legacy style.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2866>

js/ui/locatePointer.js

@@ -9,7 +9,7 @@ const LOCATE_POINTER_SCHEMA = 'org.gnome.desktop.interface';
 
 export class LocatePointer {
     constructor() {
-        this._settings = new Gio.Settings({ schema_id: LOCATE_POINTER_SCHEMA });
+        this._settings = new Gio.Settings({schema_id: LOCATE_POINTER_SCHEMA});
         this._settings.connect(`changed::${LOCATE_POINTER_KEY}`, () => this._syncEnabled());
         this._syncEnabled();
     }