add better error messages for code inputs

Author: wojcik91

web/src/pages/auth/LoginEmail/LoginEmail.tsx

@@ -80,6 +80,7 @@ export const LoginEmail = () => {
           <form.AppField name="code">
             {(field) => (
               <field.FormInput
+                notNull
                 size="lg"
                 label={m.form_label_auth_code()}
                 helper={m.form_helper_auth_code()}

web/src/pages/auth/LoginRecovery/LoginRecovery.tsx

@@ -70,6 +70,7 @@ export const LoginRecovery = () => {
           <form.AppField name="code">
             {(field) => (
               <field.FormInput
+                notNull
                 size="lg"
                 label={m.login_mfa_recovery_label()}
                 helper={m.login_mfa_recovery_helper()}

web/src/pages/auth/TotpLogin/TotpLogin.tsx

@@ -71,6 +71,7 @@ export const TotpLogin = () => {
           <form.AppField name="code">
             {(field) => (
               <field.FormInput
+                notNull
                 size="lg"
                 label={m.form_label_auth_code()}
                 helper={m.form_helper_auth_code()}