fix: compute hash of the T&C text only

lib/new-settings-loader.js

@@ -30,19 +30,18 @@ const SECRET_FIELDS = [
  * JSON.stringify isn't necessarily deterministic so this function may compute
  * different hashes for the same object.
  */
-const md5hash = obj =>
+const md5hash = text =>
   crypto
     .createHash('MD5')
-    .update(JSON.stringify(obj))
+    .update(text)
     .digest('hex')
 
 const addTermsHash = configs => {
-  configs = _.omit('termsConditions_hash', configs)
-  const terms = getTermsConditions(configs)
+  const terms = _.omit(['hash'], getTermsConditions(configs))
   return _.isEmpty(terms) ?
     configs :
     _.flow(
-      _.omit(['hash']),
+      _.get('text'),
       md5hash,
       hash => _.set('hash', hash, terms),
       setTermsConditions,