fix(font): Nerd-icons display on buffer, use for buffer function isntead

Author: jcs090218

nerd-icons-buffer-menu.el

@@ -75,16 +75,14 @@
           (format &optional face window buffer &rest _)
           (let ((original-value (funcall original-function format face window buffer)))
             (if (equal format mode-name)
-                (let* ((major-mode (and buffer
-                                        (with-current-buffer buffer major-mode)))
-                       (icon (let* ((icon (nerd-icons-icon-for-mode major-mode))
-                                    (icon (if (or (null icon) (symbolp icon))
-                                              (nerd-icons-faicon "nf-fa-file_o")
-                                            icon)))
-                               (if (and icon
-                                        (char-displayable-p (string-to-char icon)))
-                                   (concat icon " ")
-                                 ""))))
+                (let ((icon (let* ((icon (nerd-icons-icon-for-buffer))
+                                   (icon (if (or (null icon) (symbolp icon))
+                                             (nerd-icons-faicon "nf-fa-file_o")
+                                           icon)))
+                              (if (and icon
+                                       (char-displayable-p (string-to-char icon)))
+                                  (concat icon " ")
+                                ""))))
                   (concat icon original-value))
               original-value))))
         (apply func args)))))