Fixed #30758 -- Made RangeFields use multiple hidden inputs for initi…

…al data

django/contrib/postgres/forms/ranges.py

@@ -2,7 +2,7 @@
 
 from django import forms
 from django.core import exceptions
-from django.forms.widgets import MultiWidget
+from django.forms.widgets import MultiWidget, MultipleHiddenInput
 from django.utils.translation import gettext_lazy as _
 
 __all__ = [
@@ -16,6 +16,7 @@ class BaseRangeField(forms.MultiValueField):
         'invalid': _('Enter two valid values.'),
         'bound_ordering': _('The start of the range must not exceed the end of the range.'),
     }
+    hidden_widget = MultipleHiddenInput
 
     def __init__(self, **kwargs):
         if 'widget' not in kwargs: