patch 8.2.1654: when job writes to hidden buffer current window is wrong Commit: https://github.com/vim/vim/commit/ad9ec5e79916d206fd7677b77e36485c47ae534f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 10 21:25:45 2020 +0200 patch 8.2.1654: when job writes to hidden buffer current window is wrong Problem: When job writes to hidden buffer current window has display errors. (Johnny McArthur) Solution: Use aucmd_prepbuf() instead of switch_to_win_for_buf(). (closes #6925)