fix: fzf-preview does not work properly in msys2 environment

[jswysnemc]

A clear and concise description of what the bug is.
Use ls - trigger command option completion, at this time fzf preview can not work error as shown in the figure

➜ fish --version
fish, version 3.7.1

➜ cat /etc/os-release
NAME=MSYS2
ID=msys2
PRETTY_NAME="MSYS2"
ID_LIKE="cygwin arch"
HOME_URL="https://www.msys2.org"
BUG_REPORT_URL="https://github.com/msys2/MSYS2-packages/issues"