patch 9.0.1287: with the Kitty key protocl Esc with NumLock cannot be mapped Commit: https://github.com/vim/vim/commit/0261e3978e3064176f57008d4ce6de18cb166b69 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 6 17:46:37 2023 +0000 patch 9.0.1287: with the Kitty key protocl Esc with NumLock cannot be mapped Problem: With the Kitty key protocl Esc with NumLock cannot be mapped. Solution: Also use K_ESC when there is a modifier. (closes https://github.com/vim/vim/issues/11811)