keyboard shortcuts: comprehensive keyboard shortcut management interface

- niri only for now
- requires quickshell-git, hidden otherwise
- Add, Edit, Delete keybinds
- Large suite of pre-defined and custom actions
- Works with niri 25.11+ include feature

quickshell/Services/CompositorService.qml

@@ -422,7 +422,6 @@ Singleton {
                     isLabwc = false;
                     compositor = "niri";
                     console.info("CompositorService: Detected Niri with socket:", niriSocket);
-                    NiriService.generateNiriBinds();
                     NiriService.generateNiriBlurrule();
                 }
             }, 0);