Fix auto-logout from appConfig page

Author: PoeppingT

client/web/src/settings/TierServiceSettingsSubform.js

@@ -53,7 +53,7 @@ const TierServiceSettingsSubform = (props) => {
     serviceValues,
   } = props
 
-  const [selectedTier, setSelectedTier] = useState(tiers[0].name)
+  const [selectedTier, setSelectedTier] = useState(!!tiers && !!tiers[0] ? tiers[0].name : '')
 
   // TODO we have a tierNames list we get from the tier service?
   // TODO does that need to be controlled by the ApplicationContainer.. wherever the initialValues are set?