Character "%" on start up

[vaclavbenes]

** Version:
Hyper 3.0.2 stable /hyper-3.0.2-x86_64_5def54eaf2324363580a3094c29efe8e.AppImage

** Os Version:
Arch Linux
Kernel x86 64 Linux 5.1.15-arch-1_ARCH
zsh 5.7.1
DE: gnome

** Hyper.js
https://gist.github.com/vaclavbenes/2ed8ace185e4f9c483e080265c94988b

** Devtools:
no errors, just plugins and time

Issue

Everytime if i start hyper , fresh start I see "%" and i dont think its a part of zsh or hidden character. I cant find solution where that character comming from.
If i reload zsh from hyper , there is no "%".

[vaclavbenes]

[vaclavbenes]

duplicate #3586

[vaclavbenes]

fix hyper.js % at start in /.zshrc
unsetopt PROMPT_SP