fix: order loading env variables from shell

lua/cmp-dotenv/dotenv.lua

@@ -36,20 +36,20 @@ function M.load()
 
  table.sort(files, opts.file_priority)
 
+ if opts.load_shell then
+ local env_vars = vim.fn.environ()
+ for key, value in pairs(env_vars) do
+ M.env_variables[key] = { value = value, docs = '**From Shell**' }
+ end
+ end
+
  for i = 1, #files do
  local file = files[i]
  local data = load.load_data(file, false)
  for key, v in pairs(data) do
  M.set_env_variable(key, v.value, v.docs)
  end
  end
-
- if opts.load_shell then
- local env_vars = vim.fn.environ()
- for key, value in pairs(env_vars) do
- M.env_variables[key] = { value = value, docs = '**From Shell**' }
- end
- end
 end
 
 function M.as_completion()