Update Samples for 3.16 (#2085)

*Replace this paragraph with a description of what this PR is changing
or adding, and why. Consider including before/after screenshots.*

*List which issues are fixed by this PR. For larger changes, raising an
issue first helps
reduce redundant work.*

## Pre-launch Checklist

- [ ] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [ ] I signed the [CLA].
- [ ] I read the [Contributors Guide].
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-devrel
channel on [Discord].

<!-- Links -->
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[CLA]: https://cla.developers.google.com/
[Discord]: https://github.com/flutter/flutter/wiki/Chat
[Contributors Guide]:
https://github.com/flutter/samples/blob/main/CONTRIBUTING.md

simplistic_editor/lib/basic_text_field.dart

@@ -26,6 +26,7 @@ class BasicTextField extends StatefulWidget {
     VoidCallback? onCut,
     VoidCallback? onPaste,
     VoidCallback? onSelectAll,
+    VoidCallback? onLookUp,
     VoidCallback? onLiveTextInput,
     TextSelectionToolbarAnchors anchors,
   ) {
@@ -35,8 +36,12 @@ class BasicTextField extends StatefulWidget {
       onCut: onCut,
       onPaste: onPaste,
       onSelectAll: onSelectAll,
+      onLookUp: onLookUp,
       onLiveTextInput: onLiveTextInput,
       anchors: anchors,
+      // TODO(Renzo-Olivares): https://github.com/flutter/samples/issues/2088
+      onSearchWeb: null,
+      onShare: null,
     );
   }