correction aux Multi en read-only

shared/web/widgets.py

@@ -932,12 +932,8 @@ class Multi(WidgetMixin, proxyWidgets.Multi):
         
     def getModelHiddenLayout(self, slot, fields, children = 1):
         countName = slot.getFieldOptionName('count')
-        count = slot.getKind().getMinCount(slot)
-        try:
-            count = max(count, int(slot.getFieldOption(
-                fields, 'count', default = '0')))
-        except ValueError:
-            pass
+        kind = slot.getKind()
+        count = kind.getItemsCount(slot, fields)
         layout = X.array()
         if count:
             layout += X.input(name = countName, type = 'hidden', value = count)