Bug: Progress component is loaded even when told not so in config

[mgonrui]

Self Checks

• I'm using the latest lualine.
• I didn't find the issue in existing issues or PRs.

How to reproduce the problem

Have the following config and open neovim

Expected behaviour

Progress component should not load into lualine

Actual behaviour

Progress component loads on lualine_z when it should'nt:

Minimal config to reproduce the issue

call plug#begin("/home/deckard/minimal_nvim/.local/share/nvim/plugged")
Plug 'nvim-lualine/lualine.nvim'


call plug#end()


lua << END
require'lualine'.setup {
sections = {
    lualine_a = { 'mode' },
    lualine_b = { 'branch', 'diagnostics' },
    lualine_c = { 'filename' },
    lualine_x = { 'filetype' },
    lualine_z = { '' },
  },
}


END

Additional information