It seems like I have to create some special config on my nvim-cmp so I can create a new line just by pressing enter (avoiding suggestions)
It seems like changing complettopt solved the problem:
--vim.opt.completeopt = "menu,menuone,noselect"
vim.opt.completeopt = { "menuone", "noselect"},
I have also updated this line:
["<CR>"] = cmp.mapping.confirm { select = false },