Make toggleterm don't affect neotree window

toggleterm.lua

return {
  "akinsho/toggleterm.nvim",
  version = "*",
  opts = {
    size = function(term)
      if term.direction == "horizontal" then
        return vim.o.lines * 0.45
      elseif term.direction == "vertical" then
        return vim.o.columns * 0.4
      end
    end,
    shade_terminals = false,
    
    -- we find neotree window and then replace it to start position
    on_open = function(term)
      local wins = vim.api.nvim_list_wins()

      local neotree_win
      for _, win in ipairs(wins) do
        local buf = vim.api.nvim_win_get_buf(win)
        local win_ft = vim.api.nvim_buf_get_option(buf, "filetype")
        if win_ft == "neo-tree" then
          neotree_win = win
          break
        end
      end

      if neotree_win ~= nil then
        vim.api.nvim_win_call(neotree_win, function()
          local width_before = vim.api.nvim_win_get_width(0)
          vim.cmd("wincmd H")
          vim.cmd("vertical resize " .. width_before)
        end)
      end
    end,
  },
}