perf(status): further improve performance of file_icon provider

Author: mehalter

lua/astroui/status/provider.lua

@@ -405,10 +405,10 @@ function M.file_icon(opts)
     local devicons_avail, devicons = pcall(require, "nvim-web-devicons")
     if not devicons_avail then return "" end
     local bufnr = self and self.bufnr or 0
-    local filename = vim.api.nvim_buf_get_name(bufnr)
-    local ft_icon, _ =
-      devicons.get_icon(vim.fn.fnamemodify(filename, ":t"), vim.fn.fnamemodify(filename, ":e"), { default = false })
-    if not ft_icon then ft_icon = devicons.get_icon_by_filetype(vim.bo[bufnr].filetype, { default = true }) end
+    local ft_icon, _ = devicons.get_icon(vim.fn.fnamemodify(vim.api.nvim_buf_get_name(bufnr), ":t"))
+    if not ft_icon then
+      ft_icon, _ = devicons.get_icon_by_filetype(vim.bo[bufnr].filetype, { default = true })
+    end
     return status_utils.stylize(ft_icon, opts)
   end
 end