restore password reset only for active users (#49131)

Bug introduced in commit from #48264

src/authentic2/forms/passwords.py

@@ -47,7 +47,9 @@ class PasswordResetForm(forms.Form):
         email = self.cleaned_data["email"].strip()
         users = get_user_queryset()
         active_users = users.filter(
-            Q(email__iexact=email) | Q(username__iexact=email), deleted__isnull=True)
+            Q(email__iexact=email) | Q(username__iexact=email),
+            deleted__isnull=True,
+            is_active=True)
         for user in active_users:
             # we don't set the password to a random string, as some users should not have
             # a password