Fix translations strings for form settings

[MAILPOET-2455]

assets/js/src/form_editor/components/form_settings/basic_settings_panel.jsx

@@ -95,7 +95,7 @@ export default () => {
           className="mailpoet-form-success-types__control"
           onChange={onSuccessTypeChange}
           selected={settings.on_success || 'message'}
-          label={MailPoet.I18n.t('settingsAfterSubmit')}
+          label={`${MailPoet.I18n.t('settingsAfterSubmit')}…`}
           options={[
             {
               label: MailPoet.I18n.t('settingsShowMessage'),

assets/js/src/form_editor/components/form_settings/form_placement_panel.jsx

@@ -45,7 +45,7 @@ export default () => {
 
   const addFormPhpIframeHint = ReactStringReplace(
     MailPoet.I18n.t('addFormPhpIframeHint'),
-    /%s(.*?)%s/g,
+    /\[link\](.*?)\[\/link\]/g,
     (match) => {
       if (match === 'PHP') {
         return (<a key="exportPHP" href="#" onClick={(e) => exportLinkClicked(e, 'php')}>{match}</a>);