Applications menu icon [KDE Plasma]

[kauesena]

In KDE plasma, that icon used to appear as the applications launcher icon in my top bar. (I could only find this GNOME image on Google images.) Now I have these three dots instead:

I wish I knew the name of that 9 squares icon. I was unable to find it searching my icon folder and neither here in the rep. Could you point me to the file? Thank you.