src/vs/workbench/contrib/welcome/gettingStarted/browser/gettingStarted.ts/GettingStartedPage/markAllStepsComplete
class GettingStartedPage:	private markAllStepsComplete() {
		if (!this.currentCategory || this.currentCategory.content.type !== 'steps') {
			throw Error('cannot run step action for category of non steps type' + this.currentCategory?.id);
		}

		this.currentCategory.content.steps.forEach(step => {
			if (!step.done) {
				this.gettingStartedService.progressStep(step.id);
			}
		});
		this.hideCategory(this.currentCategory.id);
		this.scrollPrev();
	}