fix(autocmd): actually use the format wrapper (#2560)

lua/lvim/core/autocmds.lua

@@ -77,7 +77,7 @@ function M.enable_format_on_save()
     group = "lsp_format_on_save",
     pattern = opts.pattern,
     callback = function()
-      vim.lsp.buf.format { timeout_ms = opts.timeout, filter = opts.filter }
+      require("lvim.lsp.utils").format { timeout_ms = opts.timeout, filter = opts.filter }
     end,
   })
   Log:debug "enabled format-on-save"