fix issue with completions being autoselected by <CR> prior to tab being pressed

lua/plugins/nvim-cmp.lua

@@ -107,7 +107,17 @@ return {
                 },
                 -- Accept currently selected item. If none selected, `select` first item.
                 -- Set `select` to `false` to only confirm explicitly selected items.
-                ["<CR>"] = cmp.mapping.confirm { select = true },
+                ["<CR>"] = cmp.mapping({
+                    i = function(fallback)
+                        if cmp.visible() and cmp.get_active_entry() then
+                        cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false })
+                        else
+                        fallback()
+                        end
+                    end,
+                    s = cmp.mapping.confirm({ select = false }),
+                    c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false }),
+                }),
                 ["<Tab>"] = cmp.mapping(function(fallback)
                     if cmp.visible() then
                         cmp.select_next_item()
@@ -157,7 +167,8 @@ return {
                 autocomplete = {
                     require('cmp.types').cmp.TriggerEvent.TextChanged,
                 },
-                completeopt = 'menu,menuone,noselect',
+
+                completeopt = 'menu,menuone,noselect,noinsert,preview',
                 keyword_pattern = ".*",
                 keyword_length = 1, -- Set to 1 for immediate as-you-type completion
             },