Virtual machine input on the remote computer will be copied infinitely

[CppXL]

Bug Description

When I use rustdesk to connect to a remote computer, open the vmware virtual machine on the remote computer and try to log in. After entering a letter in the input box, the letter will be copied infinitely. But this phenomenon will not appear on the remote computer host

How to Reproduce

Use rustdesk to connect to the remote host, open the VMware virtual machine of the remote host, and try to enter any characters in the virtual machine.

I used a self-built server， rustdesk server ver: 1.1.8

Expected Behavior

The input is normal and the last entered character will not be copied infinitely.

Operating system(s) on local side and remote side

windows 10 22h2

RustDesk Version(s) on local side and remote side

1.2.1 1.2.1

Screenshots

I entered 1 in the password input box, and then 1 was copied infinitely.

Additional Context

No response

[rustdesk]

tracked by #4357