fix: align npm package order between full and annotation scanners

flow-server/src/main/java/com/vaadin/flow/server/frontend/scanner/FrontendAnnotatedClassVisitor.java

@@ -21,6 +21,7 @@
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -127,9 +128,9 @@ public AnnotationVisitor visitAnnotation(String descriptor,
     }
 
     /**
-     * Return all values of a repeated annotation parameter. For instance
-     * `getValues("value")` will return 'Bar' and 'Baz' when we have the
-     * following code:
+     * Return all values of a repeated annotation parameter in the occurrence
+     * order. For instance `getValues("value")` will return 'Bar' and 'Baz' when
+     * we have the following code:
      *
      * <pre>
      * <code>
@@ -143,18 +144,20 @@ public AnnotationVisitor visitAnnotation(String descriptor,
      *
      * @param parameter
      *            the annotation parameter used for getting values
-     * @return a set of all values found
+     * @return an ordered set of all values found
      */
     @SuppressWarnings("unchecked")
     public <T> Set<T> getValues(String parameter) {
         return (Set<T>) data.stream().filter(h -> h.containsKey(parameter))
-                .map(h -> h.get(parameter)).collect(Collectors.toSet());
+                .map(h -> h.get(parameter))
+                .collect(Collectors.toCollection(LinkedHashSet::new));
     }
 
     /**
      * Return all parameter values of a repeated annotation when they share the
-     * same value for a key parameter. For example `getValuesForKey("value",
-     * "foo", "other")` will return 'aa' and 'bb' if we have the following code:
+     * same value for a key parameter in the occurrence order. For example
+     * `getValuesForKey("value", "foo", "other")` will return 'aa' and 'bb' when
+     * we have the following code:
      *
      * <pre>
      * <code>
@@ -171,14 +174,15 @@ public <T> Set<T> getValues(String parameter) {
      *            the shared value
      * @param property
      *            the parameter name of the value to return
-     * @return a set of all values found
+     * @return an ordered set of all values found
      */
     @SuppressWarnings("unchecked")
     public <T> Set<T> getValuesForKey(String key, String value,
             String property) {
         return (Set<T>) data.stream()
                 .filter(h -> h.containsKey(key) && h.get(key).equals(value))
-                .map(h -> h.get(property)).collect(Collectors.toSet());
+                .map(h -> h.get(property))
+                .collect(Collectors.toCollection(LinkedHashSet::new));
     }
 
     /**