more efficient chart node selection

src/main/java/com/sparrowwallet/sparrow/control/BalanceChart.java

@@ -82,9 +82,9 @@ public class BalanceChart extends LineChart<Number, Number> {
 
         for(int i = 0; i < balanceSeries.getData().size(); i++) {
             XYChart.Data<Number, Number> data = balanceSeries.getData().get(i);
-            Node symbol = lookup(".chart-line-symbol.data" + i);
-            if(symbol != null) {
-                if(transactionEntry.getBlockTransaction().getDate() != null && data.getXValue().equals(transactionEntry.getBlockTransaction().getDate().getTime()) && data.getExtraValue() != null) {
+            if(transactionEntry.getBlockTransaction().getDate() != null && data.getXValue().equals(transactionEntry.getBlockTransaction().getDate().getTime()) && data.getExtraValue() != null) {
+                Node symbol = lookup(".chart-line-symbol.data" + i);
+                if(symbol != null) {
                     symbol.getStyleClass().add("selected");
                     selectedEntry = transactionEntry;
                 }

src/main/java/com/sparrowwallet/sparrow/control/UtxosChart.java

@@ -86,11 +86,10 @@ public class UtxosChart extends BarChart<String, Number> {
 
         for(int i = 0; i < utxoSeries.getData().size(); i++) {
             XYChart.Data<String, Number> data = utxoSeries.getData().get(i);
-            Node bar = lookup(".data" + i);
-            if(bar != null) {
-                if(data.getExtraValue() != null && entries.contains((Entry)data.getExtraValue())) {
-                    bar.getStyleClass().add("selected");
-                } else if(data.getExtraValue() == null && entries.size() == totalUtxos) {
+
+            if((data.getExtraValue() != null && entries.contains((Entry)data.getExtraValue())) || (data.getExtraValue() == null && entries.size() == totalUtxos)) {
+                Node bar = lookup(".data" + i);
+                if(bar != null) {
                     bar.getStyleClass().add("selected");
                 }
             }