move mason setup earlier to fix problem

As seen in [nvim-lua/kickstart.nvim#210](nvim-lua/kickstart.nvim#210).

dot_config/nvim/init.lua

@@ -40,12 +40,12 @@ require('lazy').setup({
     'neovim/nvim-lspconfig',
     dependencies = {
       -- Automatically install LSPs to stdpath for neovim
-      'williamboman/mason.nvim',
+      { 'williamboman/mason.nvim', config = true },
       'williamboman/mason-lspconfig.nvim',
 
       -- Useful status updates for LSP
       -- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})`
-      { 'j-hui/fidget.nvim', opts = {} },
+      { 'j-hui/fidget.nvim',       opts = {} },
 
       -- Additional lua configuration, makes nvim stuff amazing!
       'folke/neodev.nvim',
@@ -500,9 +500,6 @@ require('neodev').setup()
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
 
--- Setup mason so it can manage external tooling
-require('mason').setup()
-
 -- Ensure the servers above are installed
 local mason_lspconfig = require 'mason-lspconfig'