padding_space_with_escape_sequences break with negative value

[hsbt]

Description

see https://gist.github.com/hsbt/08d175b662024ee39e86cfc56c217ccf

My environment is broken with padding_space_with_escape_sequences because " " is multiplied with negative value.

I added the workaround at fb4136c . But We should investigate the root cause.

Terminal Emulator

alacritty.

[ima1zumi]

It might has been fixed by #492