After installing Inkscape and a few other apps I found I didn’t need them and uninstalled and this is what happened after. The application list does not list all apps and only has a random number per app page. Not sure how to fix this and a search doesn’t throw up any help.
Open a Terminal window and copy/paste the following command: To undo the change (i.e. revert back to the default settings for the Ubuntu Dock) copy/paste this command: