[MWB] Keyboard does not work on remote machine

### Microsoft PowerToys version

0.100.2

### Installation method

Microsoft Store

### Area(s) with issue?

Mouse Without Borders

### Steps to reproduce

cant type based on one keyboard

### ✔️ Expected Behavior

can use same keyboard to type after successful linkage

### ❌ Actual Behavior

cant type, only mouse movement is allowed. Tried i) being the admin role, ii) reboot, iii) reconnect, iv) create firewall rule, v) completely reset one of my computer ..... still cant solve the problem

### Upload Bug Report ZIP-file

_No response_

### Additional Information

OS Version: Microsoft Windows NT 10.0.26200.0
.NET Version: .NET 10.0.9
PowerToys is running as admin (elevated)
Install scope: per user
Operating System Language: English (Hong Kong SAR)
System locale: en-HK

### Other Software

_No response_

Start with the Mouse Without Borders area and reproduce the reported linkage using one keyboard on the remote machine. Collect the Bug Report ZIP and compare behavior after the listed reset, reconnect, firewall, and elevation steps; done means keyboard input works after successful linkage.

Written by the indexing model from the issue text.