fix: do not warn for unset disabled property change (#13509) (#13515) (…

…#13519)

Do not log a waning if getting a
property change for a disabled
component when that property has
not been set for the component.

Fixes vaadin/flow-components#2490

Co-authored-by: caalador <mikael.grankvist@vaadin.com>

Co-authored-by: Marco Collovati <marco@vaadin.com>
Co-authored-by: caalador <mikael.grankvist@vaadin.com>

flow-server/src/main/java/com/vaadin/flow/server/communication/rpc/MapSyncRpcHandler.java

@@ -20,6 +20,7 @@
 import java.util.List;
 import java.util.Optional;
 
+import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.vaadin.flow.component.Component;
@@ -112,10 +113,20 @@ protected Optional<Runnable> handleNode(StateNode node,
             return enqueuePropertyUpdate(node, invocationJson, feature,
                     property);
         } else {
-            LoggerFactory.getLogger(MapSyncRpcHandler.class)
-                    .warn("Property update request for disabled element is received from the client side. "
-                            + "The property is '{}'. Request is ignored.",
-                            property);
+            final Logger logger = LoggerFactory
+                    .getLogger(MapSyncRpcHandler.class);
+            if (node.getFeatureIfInitialized(ElementPropertyMap.class)
+                    .map(feat -> feat.getProperty(property))
+                    .orElse(null) != null) {
+                logger.warn(
+                        "Property update request for disabled element is received from the client side. "
+                                + "The property is '{}'. Request is ignored.",
+                        property);
+            } else {
+                logger.debug(
+                        "Ignored property '{}' change for disabled element. Most likely client sent the default value as no value has been set for the property.",
+                        property);
+            }
         }
         return Optional.empty();
     }