window-list: Complete move to connectObject()
Commit 3bfaf6f8 removed the explicit disconnect, but forgot to use connectObject() to connect the handler.
Closes: #459 (closed) Fixes: 3bfaf6f8 ("js: Use connectObject()")
Commit 3bfaf6f8 removed the explicit disconnect, but forgot to use connectObject() to connect the handler.
Closes: #459 (closed) Fixes: 3bfaf6f8 ("js: Use connectObject()")