vimrc: NVIM_TUI_ENABLE_CURSOR_SHAPE = 0

https://github.com/neovim/neovim/issues/5990

vimrc

@@ -32,6 +32,8 @@ set tags=tags;
 set backupdir=$HOME/.vim_swap//,/tmp
 set directory=$HOME/.vim_swap//,/tmp
 
+let $NVIM_TUI_ENABLE_CURSOR_SHAPE = 0
+
 map <ESC>u :nohlsearch<CR>
 map j gj
 map k gk