src/vs/workbench/contrib/debug/browser/debugViewlet.ts/DebugViewPaneContainer/getActionViewItem
class DebugViewPaneContainer:	override getActionViewItem(action: IAction): IActionViewItem | undefined {
		if (action.id === DEBUG_START_COMMAND_ID) {
			this.startDebugActionViewItem = this.instantiationService.createInstance(StartDebugActionViewItem, null, action);
			return this.startDebugActionViewItem;
		}
		if (action.id === FOCUS_SESSION_ID) {
			return new FocusSessionActionViewItem(action, undefined, this.debugService, this.themeService, this.contextViewService, this.configurationService);
		}
		return createActionViewItem(this.instantiationService, action);
	}