fix iAmSmart address concat bug

src/pages/authentication/auth-forms/IAmSmartFormWizard.js

@@ -142,7 +142,7 @@ const CustomFormWizard = (props) => {
     const getAddressStr = (strs) => {
         let add = ""
         strs.forEach(str => {
-            add += str ? str + ", " : "";
+            add += str.trim() ? str.trim() + ", " : "";
         });
         add = add.trim();
         if (add.slice(- 1) == ",") {