Fix set password when no old password exists (#5562)

InvenTree/InvenTree/forms.py

@@ -161,6 +161,7 @@ class SetPasswordForm(HelperForm):
     old_password = forms.CharField(
         label=_("Old password"),
         strip=False,
+        required=False,
         widget=forms.PasswordInput(attrs={'autocomplete': 'current-password', 'autofocus': True}),
     )
 

InvenTree/InvenTree/views.py

@@ -443,8 +443,7 @@ class SetPasswordView(AjaxUpdateView):
 
         if valid:
             # Old password must be correct
-
-            if not user.check_password(old_password):
+            if user.has_usable_password() and not user.check_password(old_password):
                 form.add_error('old_password', _('Wrong password provided'))
                 valid = False