Remove the file name prefix

[q962]

menulibre/menulibre/util.py

Line 628 in 29570bf

basename = "menulibre-" + name.lower().replace(' ', '-')

I don't know if the following error only occurs in gdm.

The created desktop file can be recognized by the launcher, and the icon can also be recognized correctly.

After the program is started, gdm will look for a desktop file with the same name according to the program's wmclass. And read the icon in it.

This will lead to a "strange problem": the program icon is clearly displayed correctly in the launcher, why is it still not displayed after startup?

[q962]

This is not necessary.

I found that if the value of StartupWMClass is the same as the program's wmclass value, everything works fine again.