Changed ItemStateTriggerHandler to properly filter relevant topics (#…

…6348)

Resolves #6317

Signed-off-by: Scott Rushworth <openhab@5iver.com>

bundles/automation/org.eclipse.smarthome.automation.module.core/src/main/java/org/eclipse/smarthome/automation/module/core/handler/ItemStateTriggerHandler.java

@@ -144,7 +144,7 @@ public void dispose() {
     @Override
     public boolean apply(Event event) {
         logger.trace("->FILTER: {}:{}", event.getTopic(), itemName);
-        return event.getTopic().contains("/" + itemName + "/");
+        return event.getTopic().contains("smarthome/items/" + itemName + "/");
     }
 
 }