Fix missing range bug

Author: mikekucera

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/view/util/ChartUtil.java

@@ -100,7 +100,6 @@ public static List<EMDataSet> sortDataSets(Collection<EMDataSet> dataSets) {
 	 */
 	@SuppressWarnings("unchecked")
 	public static List<Double> calculateGlobalRange(CyNetwork network, List<CyColumnIdentifier> dataColumns) {
-		List<Double> range = new ArrayList<>(2);
 		List<CyNode> nodes = network.getNodeList();
 
 		if (!nodes.isEmpty()) {
@@ -138,17 +137,14 @@ else if (row.isSet(column.getName()))
 			}
 
 			if (min != Double.POSITIVE_INFINITY && max != Double.NEGATIVE_INFINITY) {
-				range.add(min);
-				range.add(max);
+				return List.of(min, max);
 			}
-		} else {
-			range.add(0.0);
-			range.add(0.0);
-		}
+		} 
 
-		return range;
+		return List.of(0.0, 0.0);
 	}
 
+	
 	public static List<Color> getChartColors(ChartOptions options, boolean forStyle) {
 		ColorScheme colorScheme = options != null ? options.getColorScheme() : null;
 		List<Color> colors = colorScheme != null ? colorScheme.getColors() : null;