[Bug] Mapped cursor moves do not work

[Martin1887]

Bug Description

In keyboards without cursor keys, it is very handy to map cursor moves to other key combinations. However, these cursor mappings do not work in AppFlowy editors.

How to Reproduce

1. Map Alt Gr + A to Left in keyboard settings in Linux.
2. Write text in any AppFlowy editor.
3. Press Alt Gr + A to move the cursor to the left position.
   3.1. The cursor is not moved.

Expected Behavior

1. Map Alt Gr + A to Left in keyboard settings in Linux.
2. Write text in any AppFlowy editor.
3. Press Alt Gr + A to move the cursor to the left position.
   3.1. The cursor is moved.

Operating System

Linux

AppFlowy Version(s)

0.8.7

Screenshots

No response

Additional Context

No response