fix: remove the fast_events param of vim.wait

Author: willothy

lua/flatten/guest.lua

@@ -30,7 +30,7 @@ function M.maybe_block(block)
     vim.wait(math.huge, function()
       return waiting == false
         or vim.api.nvim_get_chan_info(host) == vim.empty_dict()
-    end, nil, true)
+    end)
   then
     vim.cmd.qa({ bang = true })
   else