Add delay in case if StreamFinish flag is obtained but not messages are acknowledged.

src/AsapoWorker/streamer.py

@@ -292,7 +292,7 @@ class Streamer:
             log.info("Start stream processing.")
             while not self.stopped.is_set():
                 success = self._process_stream()
-                if self.likely_done and not success:
+                if (self.likely_done or self.stream_finished) and not success:
                     self.stopped.wait(self.delay_on_error)
                     self._increase_delay_on_error()
                 else: