fix: link menu action Cupertino modal popup now does NOT use root nav (#2332)

* fix: link menu action cupertino modal popup now does not use root navigator

This is to fix a bug where when using nested navigators the modal popup
wouldn't pop. This also brings the behavior into parity with the
Android/Material equivalent.

* chore: add comment referencing bug fix #1170

---------

Co-authored-by: Doug Todd <[email protected]>
Co-authored-by: Ellet <[email protected]>

Author: 3 people

lib/src/editor/widgets/link.dart

@@ -150,6 +150,8 @@ class QuillTextLink {
 Future<LinkMenuAction> _showCupertinoLinkMenu(
     BuildContext context, String link) async {
   final result = await showCupertinoModalPopup<LinkMenuAction>(
+    // Set useRootNavigator to false to fix https://github.com/singerdmx/flutter-quill/issues/1170
+    useRootNavigator: false,
     context: context,
     builder: (ctx) {
       return CupertinoActionSheet(