Bug: Backspace on beginning of paragraph following an image deletes it instead of merging

[KararTY]

Lexical version: Playground (0.21.0)

Steps To Reproduce

1. Add sample image.
2. Add text "abc" after image on same row/paragraph.
3. Move to beginning of "abc", press Enter to create new row/paragraph.
4. Press Backspace.

Link to code example: https://playground.lexical.dev/

The current behavior

Backspace on beginning of paragraph following an image deletes the image.

2024-12-21.01-13-11-00.00.00.864-00.00.15.198-00.00.00.833-00.00.15.232.mp4

The expected behavior

On document editors like Google Docs, the text "abc" will be placed alongside the image instead of the image being deleted.

2024-12-21.01-35-46-00.00.01.882-00.00.14.495-00.00.01.044-00.00.14.531.mp4

Impact of fix

This is just an inconsistency vs how Google Docs & LibreOffice works. Haven't tested others.