src/vs/workbench/contrib/debug/browser/replViewer.ts/ReplDelegate/hasDynamicHeight
class ReplDelegate:	hasDynamicHeight(element: IReplElement): boolean {
		if (isNestedVariable(element)) {
			// Nested variables should always be in one line #111843
			return false;
		}
		// Empty elements should not have dynamic height since they will be invisible
		return element.toString().length > 0;
	}