The Ubuntu implementation of Dash To Dock sucks dog bollocks to say the least. I assume they have some rules of design that include something like creating a uniform environment against the user's desires...I mean for the benefit of the users. Ubuntu seems to be like the Apple of Linux in that way. At any rate, after playing with Manjaro for a bit and realizing what Dash to Dock is supposed to be like, I decided to see if it was possible to replace Ubuntu's impotent version with the real thing.
sudo apt-get remove gnome-shell-extension-ubuntu-docksudo apt-get install gnome-tweak-toolmkdir .local/share/gnome-shell/extensions/[email protected], or you can open your Home folder in Files, type CTRL+H to show hidden files and do it that way.Removing Ubuntu Dock: https://cupofcodeblog.wordpress.com/2017/08/21/removing-ubuntu-dock-from-17-10-and-fix-hot-corner
Dash to Dock: https://micheleg.github.io/dash-to-dock
Disclaimer: your results may be different than mine, I make mistakes, and be careful with sudo.