rz upload file break something

[destinytaoer]

Describe the bug
i use rz to upload file, the modal show me to choose files, but i stop and wait sometime, it seems to output something strange and never stop before i refresh this page. when i choose some files, it doesn't stop either

To Reproduce
Steps to reproduce the behavior:

1. start ttyd use 'ttyd -p 8080 zsh'
2. input 'rz', and stop on the choose file modal
3. wait for a moment
4. See something strange output interval

Expected behavior
no strange output, and i can close the choose file modal

Screenshots

Environment:

• OS: macOS 12.1 m1
• Browser: 113.0.5672.126

[destinytaoer]

it also happen in bash, not just zsh

[tsl0922]

You need -t enableZmodem=true to enable zmodem support from ttyd 1.7.3

The rz modal can not be interrupted for now, I will add a close button as long as zmodem supports it.