* add lsp#utils#buffer#_open_lsp_location(location)
add lsp#utils#position#lsp_to_vim(expr, position)
add visual selection when using _open_lsp_location
update tagstack when opening hierarchy item
* move to location.vim
* use normal!
* rename to lsp#utils#position#_lsp_to_vim
* update bufnr to the latest buffer