perf: fix nvim_replace_termcodes being called on every CursorMoved (#1650)

plugin/cmp.lua

@@ -41,8 +41,9 @@ end)
 autocmd.emit('ColorScheme')
 
 if vim.on_key then
+  local control_c_termcode = vim.api.nvim_replace_termcodes('<C-c>', true, true, true)
   vim.on_key(function(keys)
-    if keys == vim.api.nvim_replace_termcodes('<C-c>', true, true, true) then
+    if keys == control_c_termcode then
       vim.schedule(function()
         if not api.is_suitable_mode() then
           autocmd.emit('InsertLeave')
@@ -52,6 +53,7 @@ if vim.on_key then
   end, vim.api.nvim_create_namespace('cmp.plugin'))
 end
 
+
 vim.api.nvim_create_user_command('CmpStatus', function()
   require('cmp').status()
 end, { desc = 'Check status of cmp sources' })