fix: use input dir if needed when changing cwd

Author: chenxin-yan

lua/yazi/keybinding_helpers.lua

@@ -215,7 +215,9 @@ end
 ---@param context YaziActiveContext
 function YaziOpenerActions.change_working_directory(context)
   local last_directory = context.ya_process.cwd
-  if last_directory then
+    or context.input_path:parent().filename
+    or nil
+  if last_directory and last_directory ~= vim.fn.getcwd() then
     vim.notify('cwd changed to "' .. last_directory .. '"')
     vim.cmd({ cmd = "cd", args = { last_directory } })
   end