for surface duo one screen used for a app, other in home page the home page can't display as one screen mode

for surface duo one screen used for a app, other in home page the home page can't display as one screen mode

As the image show, this situation, the right screen not show all 8 icon

Manufacturer and Device Name

Surface duo2

Android Version

Android 12

Problem occurs with other Launchers

No

Third-Party Launchers Tested

Microsoft Launcher

Niagara Launcher Version

1.14.6