changed loglevel of received ThingErrorResponse

to debug as error is given back to consumer of API to handle there

java/src/main/java/org/eclipse/ditto/client/messaging/internal/WebSocketMessagingProvider.java

@@ -916,7 +916,7 @@ private void handleTwinMessage(final String message, final CharSequence correlat
             if (signal instanceof ThingErrorResponse) {
                 final DittoRuntimeException cre = ((ErrorResponse) signal).getDittoRuntimeException();
                 final String description = cre.getDescription().orElse("");
-                LOGGER.warn("Client <{}>: Got TWIN ThingErrorResponse: <{}: {} - {}>", sessionId,
+                LOGGER.debug("Client <{}>: Got TWIN ThingErrorResponse: <{}: {} - {}>", sessionId,
                         cre.getClass().getSimpleName(), cre.getMessage(), description);
             }
             commandResponseConsumer.accept((ThingCommandResponse) signal);