fix cmp use new function

lua/plugins/configs/cmp.lua

@@ -44,7 +44,7 @@ cmp.setup {
       },
       ["<Tab>"] = function(fallback)
          if cmp.visible() then
-            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-n>", true, true, true), "n")
+			cmp.select_next_item()
          elseif require("luasnip").expand_or_jumpable() then
             vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
          else
@@ -52,9 +52,9 @@ cmp.setup {
          end
       end,
       ["<S-Tab>"] = function(fallback)
-         if cmp.visible() then
-            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-p>", true, true, true), "n")
-         elseif require("luasnip").jumpable(-1) then
+		if cmp.visible() then
+			cmp.select_next_item()
+		elseif require("luasnip").jumpable(-1) then
             vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
          else
             fallback()