quick_frontend (QuickWidget): keep on_new_widget argument when recreating a widget

frontends/src/quick_frontend/quick_widgets.py

@@ -209,6 +209,8 @@ class QuickWidgetsManager(object):
                 else:
                     raise ValueError("force_hash option can't be used with on_existing_widget=RECREATE")
 
+                new_kwargs['on_new_widget'] = on_new_widget
+
                 # XXX: keep up-to-date if new special kwargs are added (i.e.: delete these keys here)
                 new_kwargs['on_existing_widget'] = C.WIDGET_RAISE
                 hash_idx = 1