Mention Macro is placed at the beginning of the line when inserted in-line on Safari

STEPS TO REPRODUCE

1. Open an XWiki instance with Safari (I've tested with 15.3)
2. Create an user (e.g. U1)
3. Edit a page with CKEditor (in-place or WYSIWYG mode)
4. Insert a word or more in the same line
5. At the end of this line, after last word, type '@' and select an user to mention it (e.g. U1 or own user)

EXPECTED RESULTS

The Mention macro is placed properly where it was inserted (after the last word).

ACTUAL RESULTS

The macro is placed at the beginning of the line, on the left side.

This can also be reproduced when writing/editing a comment.

The issue was reproduced only on Safari.