[Bug] Cannot extend the current select using SHIFT+LeftArrow

[shuta13]

Describe a bug.

Steps to reproduce:

1. Open Editor.js
2. Select some sentences
3. Try extending the current select using SHIFT+LeftArrow
4. The cursor jumps from the current position to BOL

Those are like shown below.

https://user-images.githubusercontent.com/38882716/171377230-d053b60f-5687-48ba-a12a-c75e0cb5568b.mov

Expected behavior:

I hope to select texts using SHIFT+LeftArrow as well as using SHIFT+RightArrow.

Screenshots:

Device, Browser, OS: MacBook Pro 16-inch 2019, Chrome 102.0.5005.61, macOS Big Sur 11.6.2

Editor.js version: 2.24.3

Plugins you use with their versions: