fix: leave the cursor moving when going on the cwd

lua/nvim-tree.lua

@@ -196,7 +196,7 @@ end
 
 function M.place_cursor_on_node()
   local node = lib.get_node_at_cursor()
-  if not node then return end
+  if not node or node.name == ".." then return end
   local line = api.nvim_get_current_line()
   local cursor = api.nvim_win_get_cursor(0)
   local idx = vim.fn.stridx(line, node.name)