Fix/suppress PMD CompareObjectsWithEquals findings (#11476)

Newer PMD versions discover more CompareObjectsWithEquals findings.

Related to https://github.com/openhab/static-code-analysis/pull/423

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

bundles/org.openhab.binding.ipcamera/src/main/java/org/openhab/binding/ipcamera/internal/handler/IpCameraHandler.java

@@ -359,6 +359,7 @@ public class IpCameraHandler extends BaseThingHandler {
         }
 
         @Override
+        @SuppressWarnings("PMD.CompareObjectsWithEquals")
         public void userEventTriggered(@Nullable ChannelHandlerContext ctx, @Nullable Object evt) throws Exception {
             if (ctx == null) {
                 return;
@@ -700,6 +701,7 @@ public class IpCameraHandler extends BaseThingHandler {
      * open large amounts of channels. This may help to keep it under control and WARN the user every 8 seconds this is
      * still occurring.
      */
+    @SuppressWarnings("PMD.CompareObjectsWithEquals")
     private void cleanChannels() {
         for (Channel channel : openChannels) {
             boolean oldChannel = true;