Recently used/pinned apps in top bar

Alternative to #61274. As of #59888, all apps are located within the waffle menu. Quick access to some apps however is still desired by many. I propose making the top bar work like the Windows task bar, macOS/iPadOS dock, GNOME dash, KDE panel, etc., etc. The idea: Show recent apps in the top bar, with the ability to pin some. Top bar At the left, the top bar should display pinned apps, then recently used, then the current app if it is in neither. The order of recently used apps should be based on when they were used. Pins should be in a custom order. The selected apps should be highlighted. <img width="2637" height="92" alt="Image" src=" /> The number of recently used apps should be dynamic, so that there is always the same number of apps in the bar until you change pins. I'd say depending on the number of pinned apps: | Number of pinned apps | Number of recently used when current is pinned | Number of recently used when current is…