Notify all registered service handlers that a napplet window was destroyed.
Calls onWindowDestroyed() on every handler that implements it.
Errors in individual handlers are caught and silently ignored to prevent
one service's cleanup failure from blocking others.
Notify all registered service handlers that a napplet window was destroyed. Calls onWindowDestroyed() on every handler that implements it. Errors in individual handlers are caught and silently ignored to prevent one service's cleanup failure from blocking others.