fix visibility of hyper-link in repeatedly opened dialog

src/public/app/dialogs/add_link.js

@@ -17,7 +17,6 @@ export async function showDialog(widget) {
 
     $addLinkTitleSettings.toggle(!textTypeWidget.hasSelection());
 
-    updateTitleFormGroupVisibility();
     $addLinkTitleSettings.find('input[type=radio]').on('change', updateTitleFormGroupVisibility);
 
     // with selection hyper link is implied
@@ -28,6 +27,8 @@ export async function showDialog(widget) {
         $addLinkTitleSettings.find("input[value='reference-link']").prop("checked", true);
     }
 
+    updateTitleFormGroupVisibility();
+
     utils.openDialog($dialog);
 
     $autoComplete.val('').trigger('focus');
@@ -89,4 +90,4 @@ $form.on('submit', () => {
     }
 
     return false;
-});
+});