omf.cli.install: Set theme when installed from URL
omf.cli.install: Set theme when installed from URL

Co-authored-by: Fabian Homborg <97a68f579bfcd82bb7c79fa078d381d68f990c64@gmail.com>

scorphus/oh-my-fish,scorphus/oh-my-fish,oh-my-fish/oh-my-fish,oh-my-fish/oh-my-fish