Error occurs when deleting a bookmark inside a table

[marcelmroz]

📝 Provide detailed reproduction steps (if any)

1. Open any demo with the bookmarks and table features enabled (for example, the Bookmarks feature docs)
2. Create a bookmark inside a table.
3. Click on the bookmark and delete it.

Additional note: When deleting the bookmark by placing the caret after it and pressing backspace twice, the error does not occur.

✔️ Expected result

No errors should occur when deleting the bookmark.

❌ Actual result

An error occurs:

ckeditorerror.js:90 Uncaught CKEditorError: Cannot read properties of undefined (reading '_source')

Screen.Recording.2024-12-13.at.12.34.48.mov

📃 Other details

• Browser: Chrome, Edge, Firefox (Safari is not affected)
• OS: macOS
• First affected CKEditor version: 44.0.0

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[pszczesniak]

This issue is fixed during improved linking experience initiative.

But let's keep it open to track it and to have it in the queue to test it when mention initiative will be ready.