Fix default mappings not load if chadrc.lua does not exist (#2037)

* Fix default mappings not load if chadrc.lua does not exist

The regression was introduced by dab9171e64

Fix #1961 #2025

* clean up!

---------

Co-authored-by: siduck <siduck@tutanota.com>

lua/core/default_config.lua

@@ -87,6 +87,6 @@ M.plugins = "" -- path i.e "custom.plugins", so make custom/plugins.lua file
 
 M.lazy_nvim = require "plugins.configs.lazy_nvim" -- config for lazy.nvim startup options
 
-M.mappings = {}
+M.mappings = require "core.mappings"
 
 return M

lua/core/utils.lua

@@ -8,11 +8,11 @@ M.load_config = function()
   if chadrc_path then
     local chadrc = dofile(chadrc_path)
 
-    config.mappings = M.remove_disabled_keys(chadrc.mappings, require "core.mappings")
+    config.mappings = M.remove_disabled_keys(chadrc.mappings, config.mappings)
     config = merge_tb("force", config, chadrc)
+    config.mappings.disabled = nil
   end
 
-  config.mappings.disabled = nil
   return config
 end