src/vs/workbench/browser/parts/compositeBarActions.ts/ActivityActionViewItem/computeKeybindingLabel
class ActivityActionViewItem:	private computeKeybindingLabel(): string | undefined | null {
		const keybinding = this.activity.keybindingId ? this.keybindingService.lookupKeybinding(this.activity.keybindingId) : null;
		return keybinding?.getLabel();
	}