XWIKI-12741: The application code and data spaces should be nested inside the application space

* Add missing @since

xwiki-platform-core/xwiki-platform-model/src/main/java/org/xwiki/model/reference/EntityReference.java

@@ -429,6 +429,7 @@ public EntityReference removeParent(EntityReference oldParent)
      * 
      * @param expectedParent the parent reference to check
      * @return {@code true} if the given reference is a parent of this reference, {@code false} otherwise
+     * @since 7.3RC1
      */
     public boolean hasParent(EntityReference expectedParent)
     {