Fixed subscription service for empty scope

extensions-core/src/main/java/org/thingsboard/server/extensions/core/plugin/telemetry/SubscriptionManager.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.extensions.core.plugin.telemetry;
 
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EntityId;
@@ -211,7 +212,7 @@ public class SubscriptionManager {
     public void onAttributesUpdateFromServer(PluginContext ctx, EntityId entityId, String scope, List<AttributeKvEntry> attributes) {
         Optional<ServerAddress> serverAddress = ctx.resolve(entityId);
         if (!serverAddress.isPresent()) {
-            onLocalSubscriptionUpdate(ctx, entityId, s -> SubscriptionType.ATTRIBUTES == s.getType() && scope.equals(s.getScope()), s -> {
+            onLocalSubscriptionUpdate(ctx, entityId, s -> SubscriptionType.ATTRIBUTES == s.getType() && (StringUtils.isEmpty(s.getScope()) || scope.equals(s.getScope())), s -> {
                 List<TsKvEntry> subscriptionUpdate = new ArrayList<TsKvEntry>();
                 for (AttributeKvEntry kv : attributes) {
                     if (s.isAllKeys() || s.getKeyStates().containsKey(kv.getKey())) {