Merge pull request #3452 from ControlSystemStudio/CSSTUDIO-3267

Fix sort order in composite snapshot editor

Author: shroffk

app/save-and-restore/app/src/main/java/org/phoebus/applications/saveandrestore/ui/snapshot/CompositeSnapshotController.java

@@ -73,6 +73,7 @@
 import java.text.MessageFormat;
 import java.time.Instant;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
 import java.util.Optional;
@@ -173,6 +174,8 @@ public void initialize() {
         snapshotTable.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
         snapshotTable.getSelectionModel().selectedItemProperty().addListener((obs, ov, nv) -> selectionEmpty.set(nv == null));
 
+        snapshotNameColumn.setComparator(Comparator.comparing(Node::getName));
+
         MenuItem deleteMenuItem = new MenuItem(Messages.menuItemDeleteSelectedPVs,
                 new ImageView(ImageCache.getImage(SaveAndRestoreController.class, "/icons/delete.png")));
         deleteMenuItem.setOnAction(ae -> {