I like to do this, as I group most apps by their respective source (not that I use anything other than search to launch things, but it looks nicer). Source code is available on Github (easily compiled ...

James McAvoy’s many highlights include playing a muffler-wearing man with the legs of a goat, a garden gnome, a leading mutant ... of Scotland – ooh, I say! After graduating in 2000, he ...

Note: This feature has a known color bug. No themed Icons gnomeTheme.noThemedIcons Use default Firefox icons instead of the included icons. Hide redundant WebRTC indicator since GNOME provides their ...

So I really do not recommend using this option; although it is still included because in the end you are the master of your computer! You will then need to reload GNOME shell, for example by login out ...