[2606] Fixed Non-deterministic behavior of HashSet that might fail th…

…e test ClientLibrariesImplTest (#2621)

* Fixed flaky test
* Changed HashSet to LinkedHashSet in ClientLibrariesImpl
* Removed unused import HashSet

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/models/v1/ClientLibrariesImpl.java

@@ -22,7 +22,6 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
@@ -297,7 +296,7 @@ private String getInline(LibraryType libraryType) {
     @NotNull
     protected Set<String> getCategoriesFromComponents() {
         try (ResourceResolver resourceResolver = resolverFactory.getServiceResourceResolver(Collections.singletonMap(ResourceResolverFactory.SUBSERVICE, COMPONENTS_SERVICE))) {
-            Set<String> categories = new HashSet<>();
+            Set<String> categories = new LinkedHashSet<>();
             for (ClientLibrary library : this.getAllClientLibraries(resourceResolver)) {
                 for (String category : library.getCategories()) {
                     if (pattern == null || pattern.matcher(category).matches()) {