Duplicated image in Editor

[martintabakov]

Bug report

If you insert an image in the Editor and follow the steps below, the image will be duplicated

Regression introduced with 2021.2.616

Reproduction of the problem

1. Open this Dojo example - https://dojo.telerik.com/AkeqaxUt/11
2. Insert an image from the ImageBrowser tool
3. Place the cursor in front of the image and press Enter for a new line.
4. Delete the new line and press Enter again.

Current behavior

The inserted image is duplicated

Expected/desired behavior

The image shouldn't be duplicated

Environment

• Kendo UI version: 2023.1.117
• Browser: [all]