fix(lsp-config): lsp-config error when nvim-cmp not enabled. (#1095)

* fix(lsp-config): lsp-config error when nvim-cmp not enabled.

* Update lua/lazyvim/plugins/lsp/init.lua

Co-authored-by: Jonas Holst Damtoft <Jomik@users.noreply.github.com>

---------

Co-authored-by: Jonas Holst Damtoft <Jomik@users.noreply.github.com>

lua/lazyvim/plugins/lsp/init.lua

@@ -139,11 +139,12 @@ return {
       vim.diagnostic.config(vim.deepcopy(opts.diagnostics))
 
       local servers = opts.servers
+      local has_cmp, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
       local capabilities = vim.tbl_deep_extend(
         "force",
         {},
         vim.lsp.protocol.make_client_capabilities(),
-        require("cmp_nvim_lsp").default_capabilities(),
+        has_cmp and cmp_nvim_lsp.default_capabilities() or {},
         opts.capabilities or {}
       )