js: Split gi imports to be on new lines to prepare for ES modules

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2794>

js/ui/workspace.js

@@ -1,7 +1,13 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Workspace */
 
-const {Clutter, GLib, GObject, Graphene, Meta, Shell, St} = imports.gi;
+const Clutter = imports.gi.Clutter;
+const GLib = imports.gi.GLib;
+const GObject = imports.gi.GObject;
+const Graphene = imports.gi.Graphene;
+const Meta = imports.gi.Meta;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
 
 const Background = imports.ui.background;
 const DND = imports.ui.dnd;