fix: do not store failed twilio api responses on db

lib/plugins/sms/twilio/twilio.js

@@ -45,6 +45,12 @@ function getLookup (account, number) {
         .fetch({ addOns: ['lamassu_ekata'] })
     })
     .then(info => info.addOns.results['lamassu_ekata'])
+    .then(info => {
+      if (info.status !== 'successful') {
+        throw new Error(`Twilio error: ${info.message}`)
+      }
+      return info
+    })
     .catch(err => {
       if (_.includes(err.code, BAD_NUMBER_CODES)) {
         const badNumberError = new Error(err.message)