Full-width spaces take up more space on signs now

Full-width space take more space on sign block since 26.2-pre-3.
But it was smaller and showed perfectly in 26.2-pre-2.

Text (Problem happened on the thrid line) :

▄██▄ 　　▄█　

▀　▄▀ 　█▀█　

▄　▀█ ▄█▄█▄

▀██▀ 　　　█