Composition duplicates a character in a to-do list item

[Mgsy]

📝 Provide detailed reproduction steps (if any)

1. Switch to Chinese.
2. Set the following content: <ul class="todo-list"><li><label class="todo-list__label"><input type="checkbox" disabled="disabled"><span class="todo-list__label__description">Foo</span></label></li><li><label class="todo-list__label"><input type="checkbox" disabled="disabled"><span class="todo-list__label__description">Foo</span></label></li></ul>
3. Select F[oo Fo]o.
4. Type m.
5. Press 1 to finish the composition.

✔️ Expected result

F没o

❌ Actual result

F没oo

📃 Other details

Tested in Chrome. Works fine with other list types.

Branch: ck/11438-beforeinput-ime-research-vol1.1

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[Acrophost]

Issue is not reproducible on branch ck/11438-beforeinput-ime-research-vol1.1-android

[CKEditorBot]

There has been no activity on this issue for the past year. We've marked it as stale and will close it in 30 days. We understand it may be relevant, so if you're interested in the solution, leave a comment or reaction under this issue.

[CKEditorBot]

There has been no activity on this issue for the past year. We've marked it as stale and will close it in 30 days. We understand it may still be relevant, so if you're interested in the solution, leave a comment or reaction under this issue.

[CKEditorBot]

We've closed your issue due to inactivity over the last year. We understand that the issue may still be relevant. If so, feel free to open a new one (and link this issue to it).