correct field names

Author: rusenask

webhookrelay.html

@@ -67,9 +67,11 @@ <h3>Authentication</h3>
  ];
  // Just in case any whitespace has crept in with the copy-paste of the fields
  trimFields.forEach(function (field) {
- var v = $("#node-config-input-" + field).val();
- v = v.trim();
- $("#node-config-input-" + field).val(v);
+ var v = $("#node-input-" + field).val();
+ if (v) {
+ v = v.trim();
+ $("#node-input-" + field).val(v);
+ } 
  });
  },
  inputs: 0,