undo TargetNodeRecurseFetcher List->Set change

Author: andrewazores

src/main/java/io/cryostat/net/web/http/api/v2/graph/TargetNodeRecurseFetcher.java

@@ -40,7 +40,6 @@
 import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -98,7 +97,7 @@ boolean blocking() {
     public List<TargetNode> getAuthenticated(DataFetchingEnvironment environment) throws Exception {
         AbstractNode node = environment.getSource();
         FilterInput filter = FilterInput.from(environment);
-        Set<TargetNode> result = new HashSet<>();
+        List<TargetNode> result = new ArrayList<>();
         if (node instanceof TargetNode) {
             result.add((TargetNode) node);
         } else if (node instanceof EnvironmentNode) {
@@ -117,15 +116,15 @@ public List<TargetNode> getAuthenticated(DataFetchingEnvironment environment) th
             result =
                     result.stream()
                             .filter(n -> Objects.equals(n.getName(), nodeName))
-                            .collect(Collectors.toSet());
+                            .collect(Collectors.toList());
         }
         if (filter.contains(FilterInput.Key.LABELS)) {
             List<String> labels = filter.get(FilterInput.Key.LABELS);
             for (String label : labels) {
                 result =
                         result.stream()
                                 .filter(n -> LabelSelectorMatcher.parse(label).test(n.getLabels()))
-                                .collect(Collectors.toSet());
+                                .collect(Collectors.toList());
             }
         }
         if (filter.contains(FilterInput.Key.ANNOTATIONS)) {
@@ -146,9 +145,9 @@ public List<TargetNode> getAuthenticated(DataFetchingEnvironment environment) th
                                         n ->
                                                 LabelSelectorMatcher.parse(annotation)
                                                         .test(mergedAnnotations.apply(n)))
-                                .collect(Collectors.toSet());
+                                .collect(Collectors.toList());
             }
         }
-        return new ArrayList<>(result);
+        return result;
     }
 }