cleanup: Don't linebreak before closing parentheses

Otherwise recent versions of eslint want "dangling" commas,
which is at least ugly considering that most functions don't
allow adding arguments at leasure.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1177

js/ui/altTab.js

@@ -681,8 +681,7 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
             // Cache the window list now; we don't handle dynamic changes here,
             // and we don't want to be continually retrieving it
             appIcon.cachedWindows = allWindows.filter(
-                w => windowTracker.get_window_app(w) == appIcon.app
-            );
+                w => windowTracker.get_window_app(w) === appIcon.app);
             if (appIcon.cachedWindows.length > 0)
                 this._addIcon(appIcon);
         }