fix(autocmds): change mapping for lazyvim_close_with_q (#4638)

## Description
Currently `checkhealth` buffers stay visible on `bufferline` when you
close them with `q`. Use `:bd` instead to delete the buffer from
bufferlist. `vim.schedule` is needed because `LspInfo` adds its own
mapping to close the window (see
[here](edd9591199/lua/lspconfig/health.lua (L328))),
so we need to overwrite it.

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## Related Issue(s)
None
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## Screenshots

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## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/config/autocmds.lua

@@ -72,11 +72,13 @@ vim.api.nvim_create_autocmd("FileType", {
   },
   callback = function(event)
     vim.bo[event.buf].buflisted = false
-    vim.keymap.set("n", "q", "<cmd>close<cr>", {
-      buffer = event.buf,
-      silent = true,
-      desc = "Quit buffer",
-    })
+    vim.schedule(function()
+      vim.keymap.set("n", "q", "<cmd>:bd<cr>", {
+        buffer = event.buf,
+        silent = true,
+        desc = "Quit buffer",
+      })
+    end)
   end,
 })