fix(fzf-lua): update update_title and update_scrollbar to update_preview_title and update_preview_scrollbar

[zhiim]

Description

FzfWin:update_title and FzfWin:update_scrollbar were changed to FzfWin:update_preview_title and FzfWin:update_preview_scroolbar since ibhagwan/fzf-lua@fc70792

It will make an error when opening message history with fzf-lua :Noice fzf

Error executing vim.schedule lua callback: ...hare/nvim/lazy/noice.nvim/lua/noice/integrations/fzf.lua:75: attempt to call method 'update__title' (a nil value)
stack traceback:
	...hare/nvim/lazy/noice.nvim/lua/noice/integrations/fzf.lua:75: in function 'populate_preview_buf'
	...hare/nvim/lazy/fzf-lua/lua/fzf-lua/previewer/builtin.lua:377: in function 'populate_preview_buf'
	...hare/nvim/lazy/fzf-lua/lua/fzf-lua/previewer/builtin.lua:394: in function ''
	vim/_editor.lua: in function ''
	vim/_editor.lua: in function <vim/_editor.lua:0>

Related Issue(s)

Fixes #1029