[Modify user] Fix. Form script sets mode

#1

src/modify.html

@@ -44,7 +44,8 @@
             const object = {user: user, pass: pass, field: field, value: value}
             fetch('https://api.sso.skynet.ie/ldap/update', {
                 method: 'POST',
-                body: JSON.stringify(object)
+                body: JSON.stringify(object),
+                mode: "cors"
             }).then(res => {
                 if (res.status === 200) {
                     let temp = res.json();