add validation to ProfileConstructor addSigningAccounts to work when no nodes are defined

Projects/Governance/UI/Function-Libraries/ProfileConstructor.js

@@ -232,6 +232,7 @@ function newGovernanceFunctionLibraryProfileConstructor() {
         addSigningAccounts(p2pNetworkNodes, 'P2P Network Node')
 
         function addSigningAccounts(nodeArray, targetNodeType) {
+            if (nodeArray === undefined) return;
             for (let i = 0; i < nodeArray.length; i++) {
                 let currentNode = nodeArray[i]
                 addSigningAccount(currentNode, targetNodeType, i + 1)