Fix#2212
# Will start rendering after 200ms, update every 100ms
fzf --preview 'for i in $(seq 100); do echo $i; sleep 0.01; done'
# Should print "Loading .." message after 500ms
fzf --preview 'sleep 1; for i in $(seq 100); do echo $i; sleep 0.01; done'
# The first line should appear after 200ms
fzf --preview 'date; sleep 2; date'
# Should not render before enough lines for the scroll offset are ready
rg --line-number --no-heading --color=always ^ |
fzf --delimiter : --ansi --preview-window '+{2}-/2' \
--preview 'sleep 1; bat --style=numbers --color=always --pager=never --highlight-line={2} {1}'
Remove code that is no longer relevant after the removal of ncurses
renderer. This commit also fixes background color issue on tcell-based
FullscreenRenderer (Windows).
