We're no longer using that property, so clean up a bit and remove the
last occurences of it.
https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1351
this._delegate = this;
- this.slotId = 0;
this._stackAbove = null;
this._windowContainer.layout_manager.connect(
const [x, y, width, height] = this._windowSlots[index];
const windowInfo = this._windows.get(child);
- child.slotId = index;
-
if (windowInfo.metaWindow.showing_on_its_workspace()) {
workspaceBox.x1 = child.boundingBox.x - this._workarea.x;
workspaceBox.x2 = workspaceBox.x1 + child.boundingBox.width;