isPatchUpdate would always be false

* this results in things never getting consistent in the search

Signed-off-by: Yannic Klem <Yannic.Klem@bosch.io>

thingsearch/service/src/main/java/org/eclipse/ditto/thingsearch/service/persistence/write/streaming/BulkWriteResultAckFlow.java

@@ -97,7 +97,7 @@ private Iterable<String> getConsistencyOKResult(final WriteResultAndErrors write
     private void reportIncorrectPatch(final WriteResultAndErrors writeResultAndErrors) {
         // Some patches are not applied due to inconsistent sequence number in the search index.
         // It is not possible to identify which patches are not applied; therefore request all patch updates to retry.
-        writeResultAndErrors.getWriteModels().stream().filter(AbstractWriteModel::isPatchUpdate).forEach(model -> {
+        writeResultAndErrors.getWriteModels().stream().forEach(model -> {
             final var response =
                     createFailureResponse(model.getMetadata()).setDittoHeaders(INCORRECT_PATCH_HEADERS);
             model.getMetadata().getOrigin().ifPresent(updater -> updater.tell(response, ActorRef.noSender()));