Fix or suppress SAT CompareObjectsWithEquals findings (#10631)

* Fix or suppress SAT CompareObjectsWithEquals findings

Signed-off-by: Wouter Born <github@maindrain.net>

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/message/PowermaxCommManager.java

@@ -621,6 +621,7 @@ public class PowermaxCommManager implements PowermaxMessageEventListener {
      *
      * @return true if the message was sent or the sending is delayed; false in other cases
      */
+    @SuppressWarnings("PMD.CompareObjectsWithEquals")
     private synchronized boolean sendMessage(PowermaxBaseMessage msg, boolean immediate, int waitTime,
             boolean doNotLog) {
         if ((waitTime > 0) && (msg != null)) {