fix tabufline crash when formatting buf | (#1265)

lua/core/init.lua

@@ -39,7 +39,7 @@ autocmd("BufEnter", {
 vim.t.bufs = vim.api.nvim_list_bufs()
 
 -- thx to https://github.com/ii14 & stores buffer per tab -> table
-autocmd({ "BufAdd" }, {
+autocmd("BufAdd", {
    callback = function(args)
       if vim.t.bufs == nil then
          vim.t.bufs = { args.buf }
@@ -76,5 +76,5 @@ if require("core.utils").load_config().ui.tabufline_lazyloaded then
    require("core.lazy_load").tabufline()
 else
    vim.opt.showtabline = 2
-   vim.opt.tabline = "%!v:lua.require('ui.tabline').run()"
+   vim.opt.tabline = "%!v:lua.require'ui.tabline'.run()"
 end