prev_hunk doesn't work properly with the wrap flag

[dtcyganok]

Description

The prev_hunk function doesn't work properly with the wrap = true flag, if the first line has been removed. Looping with prev_hunk stops at the first line

Neovim version

0.9.1

Operating system and version

Linux (rolling)

Expected behavior

Looping with prev_hunk works through the entire buffer

Actual behavior

See the description above

Minimal config

vim.o.packpath = '/tmp/nvim/site'

local plugins = {
  gitsigns = 'https://github.com/lewis6991/gitsigns.nvim',
  -- ADD OTHER PLUGINS _NECESSARY_ TO REPRODUCE THE ISSUE
}

for name, url in pairs(plugins) do
  local install_path = '/tmp/nvim/site/pack/test/start/'..name
  if vim.fn.isdirectory(install_path) == 0 then
    vim.fn.system { 'git', 'clone', '--depth=1', url, install_path }
  end
end

require('gitsigns').setup{
  debug_mode = true, -- You must add this to enable debug messages
  -- ADD GITSIGNS CONFIG THAT IS _NECESSARY_ FOR REPRODUCING THE ISSUE
}

-- ADD INIT.LUA SETTINGS THAT IS _NECESSARY_ FOR REPRODUCING THE ISSUE

Steps to reproduce

1. nvim --clean -u minimal.lua
2. Open a file
3. Create a few hunks and delete the first line
4. Try looping through the entire buffer with prev_hunk

Gitsigns debug messages

No response