Merge commit 'ee44f9e112a71ef6fa5aacdf65a43862a5a89279'

set P9K_TTY=old in preexec

work around bugs in zsh that break vim shell; see romkatv#717

Merge commit '46c76dd7071bedab192aa65756ba09024e29da0c'

Merge commit 'bda74564e3b1b9bbaa77f840215f7d99d0b77ed8'

Merge commit 'd047ed87a1093b27aff3324ba57860c9c42f7b65'

document how to package powerlevel10k for distribution

support POWERLEVEL9K_DIR_TRUNCATE_BEFORE_MARKER=first; see romkatv#669

wizard bug fixes: screen redraws, spurious errors, frame selection

fixes romkatv#668