No nenu underlined letters when pressing ALT or F10 when menu bar is hidden

[notdodgeball]

I guess they are the most useful when this option is enabled.

Steps to Reproduce the Issue

1. Check "Hide menu bar" option
2. Press Alt or F10 to display the menu bar

Debug Information

Notepad++ v8.6.5 (64-bit)
Build time : Mar 29 2024 - 17:04:43
Path : \npp.portable\notepad++.exe
Admin mode : OFF
Local Conf mode : ON
Cloud Config : OFF
Periodic Backup : ON
OS Name : Windows 10 Pro (64-bit
OS Version : 22H2
OS Build : 19045.4170
Current ANSI codepage : 1252
Plugins :
ComparePlus (1.1)
mimeTools (3.1)
NppConverter (4.6)
NppExport (0.4)
PythonScript (2)
XMLTools (3.1.1.13)