src/vs/workbench/contrib/debug/browser/debugToolBar.ts/DebugToolBar/show
class DebugToolBar:	private show(): void {
		if (this.isVisible) {
			this.setCoordinates();
			return;
		}
		if (!this.isBuilt) {
			this.isBuilt = true;
			this.layoutService.container.appendChild(this.$el);
		}

		this.isVisible = true;
		dom.show(this.$el);
		this.setCoordinates();
	}