src/vs/workbench/contrib/notebook/browser/viewParts/notebookKernelActionViewItem.ts/NotebooKernelActionViewItem/_updateActionFromSourceAction
class NotebooKernelActionViewItem:	private _updateActionFromSourceAction(sourceAction: ISourceAction, running: boolean) {
		const action = sourceAction.action;
		this.action.class = running ? ThemeIcon.asClassName(ThemeIcon.modify(executingStateIcon, 'spin')) : ThemeIcon.asClassName(selectKernelIcon);
		this.updateClass();
		this._action.label = action.label;
		this._action.enabled = true;
	}