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Hello,
Inserting a long text at the start of a line using the insertText method causes an error where the cursor position is wrong after the insertion and the text is scrambled between the inserted text and the text that was previously in that line.
You may find an example on how to reproduce this behavior below:
https://stackblitz.com/edit/7xxc69-6fqmdr?file=index.js
Please let me know if there is anything I can help with this issue.