fix(filesystem): do netrw hijack if needed after lazy load (#907)

closes #828

Author: pysan3

lua/neo-tree.lua

@@ -246,6 +246,7 @@ M.setup = function(config, is_auto_config)
   local netrw = require("neo-tree.setup.netrw")
   if not is_auto_config and netrw.get_hijack_netrw_behavior() ~= "disabled" then
     vim.cmd("silent! autocmd! FileExplorer *")
+    netrw.hijack()
   end
 end