The toolbar fails when multiple characters are entered in Chinese calligraphy

[lz5577]

Is there an existing issue for this?

• [X] I have searched the existing issues

Flutter Quill version

9.3.10

Steps to reproduce

1, Run the Flutter Quill example 2, The input method is switched to Chinese mode 3, Toolbar selects bold mode 4, Input more than 2 Chinese characters at a time

Expected results

The input is bold text

Actual results

The input is normal text, and the bold check in the toolbar is reset to unchecked

Code sample

Flutter-quill example

Screenshots or Video

Chinese input method, when more than 2 characters are entered at a time, the bold state will be reset to the unselected state.

https://github.com/singerdmx/flutter-quill/assets/22974077/b8c59209-549e-419a-8b7b-13da3a76505d

QuillController line 276

Logs

No response

[crasowas]

This issue has been fixed in #1890.