fix: WebComponent supported types (#22938)

Fix WebComponentExporter supported types
to have serializable BaseJsonNode instead
of JsonNode.

Fixes #22935

Author: caalador

flow-server/src/main/java/com/vaadin/flow/component/WebComponentExporter.java

@@ -95,7 +95,7 @@ public abstract class WebComponentExporter<C extends Component>
     private static final List<Class> SUPPORTED_TYPES = Collections
             .unmodifiableList(
                     Arrays.asList(Boolean.class, String.class, Integer.class,
-                            Double.class, JsonValue.class, JsonNode.class));
+                            Double.class, JsonValue.class, BaseJsonNode.class));
 
     private final String tag;
     private HashMap<String, PropertyConfigurationImpl<C, ? extends Serializable>> propertyConfigurationMap = new HashMap<>();

flow-server/src/test/java/com/vaadin/flow/server/startup/WebComponentConfigurationRegistryInitializerTest.java

@@ -44,6 +44,7 @@
 import com.vaadin.flow.component.webcomponent.WebComponent;
 import com.vaadin.flow.component.webcomponent.WebComponentConfiguration;
 import com.vaadin.flow.internal.CurrentInstance;
+import com.vaadin.flow.internal.JacksonUtils;
 import com.vaadin.flow.server.InvalidCustomElementNameException;
 import com.vaadin.flow.server.MockInstantiator;
 import com.vaadin.flow.server.VaadinContext;
@@ -188,6 +189,14 @@ public void duplicatePropertyRegistration_doesNotCauseIssues()
                 servletContext);
     }
 
+    @Test
+    public void jacksonPropertyRegistration_doesNotCauseIssues()
+            throws ServletException {
+        initializer.process(
+                Collections.singleton(JacksonPropertyExporter.class),
+                servletContext);
+    }
+
     @Test
     public void duplicatePropertyRegistrationBetweenParentAndChild_doesNotCauseIssues()
             throws ServletException {
@@ -328,6 +337,22 @@ public void configureInstance(WebComponent<MyComponent> webComponent,
         }
     }
 
+    public static class JacksonPropertyExporter
+            extends WebComponentExporter<MyComponent> {
+
+        public JacksonPropertyExporter() {
+            super("tag-2");
+            addProperty("property",
+                    JacksonUtils.createObjectNode().put("foo", "bar"));
+        }
+
+        @Override
+        public void configureInstance(WebComponent<MyComponent> webComponent,
+                MyComponent component) {
+
+        }
+    }
+
     public static class CauseMatcher extends BaseMatcher<Throwable> {
         private final Class<? extends Throwable> throwableType;
         private boolean startsWith = false;