adjust lint error

src/server/routes/admin.js

@@ -456,7 +456,7 @@ module.exports = function(crowi, app) {
 
     const array = req.body.emailInputValue.split('\n');
     const emailList = array.filter((element) => { return element.match(/.+@.+\..+/) });
-    const shapedEmailList = emailList.map((email)=>email.trim())
+    const shapedEmailList = emailList.map((email) => { return email.trim() });
 
     try {
       await User.createUsersByInvitation(shapedEmailList, req.body.sendEmail);