ObjectPicker: ensure pristine pickers are handled
When adding a QObjectPicker component to a QEntity, the object couldn't actually be picked until one of hoverEnabled, dragEnabled or priority changed.
This fixes the issue by ensuring notifyJob is called at least once, when the picker is initialized.
Change-Id: I5b035cf5be6ef1da35c2d24cf76bc2daaad9bc57 Reviewed-by: Paul Lemire paul.lemire@kdab.com