src/vs/workbench/contrib/terminal/browser/terminalView.ts/SwitchTerminalActionViewItem/render
class SwitchTerminalActionViewItem:	override render(container: HTMLElement): void {
		super.render(container);
		container.classList.add('switch-terminal');
		this._register(attachStylerCallback(this._themeService, { selectBorder }, colors => {
			container.style.borderColor = colors.selectBorder ? `${colors.selectBorder}` : '';
		}));
	}