[BUG]: imv preview doesn't work if ytfzf terminal is inside of tmux

[timsofteng]

Describe the bug

when I start ytfzf inside of tmux with imv as viewer of thumbnails then I get only one first thumbnail. When scroll throw all results thumbnail doesn't change.

To Reproduce

1. Open tmux.
2. run ytfzf -tl --thumb-viewer=imv and search something.
3. Scroll results

Expected behavior

Thumbnails should chage

Screenshots

Information

• OS: Alpine edge
• Terminal: foot (tmux)
• Ytfzf version: 2.3
• Output of ls -l "$(which sh)" (if your using fish: ls -l (which sh)): lrwxrwxrwx 1 root root 12 May 11 17:32 /bin/sh -> /bin/busybox (my main shell is zsh)

Additional context

[qoheniac]

I cannot reproduce this, i. e. it works for me.

• OS: Fedora 36
• WM: Sway
• Terminal: foot (tmux)
• Ytfzf version: current (29f2710) development branch
• Shell: Bash