Fix seek-to-timestamp

- if the specified timestamp exceeds that of any previously written message
then the consumer offset should be set to .endOffsets

- incrementing .endOffsets by one will cause a message to missed

src/jackdaw/client.clj

@@ -293,7 +293,7 @@
              {:keys [^OffsetAndTimestamp ts-offset end-offset]}] offsets]
       (let [offset (or (when ts-offset
                          (.offset ts-offset))
-                       (inc end-offset))]
+                       end-offset)]
         (log/infof "Setting starting offset (topic=%s, partition=%s): %s"
                    (.topic topic-partition)
                    (.partition topic-partition)

test/jackdaw/client_test.clj

@@ -361,5 +361,5 @@
               (client/assign-all $ (map :topic-name [topic-config]))
               (client/seek-to-timestamp $ ts-next [topic-config])
               (client/position-all $)
-              (is (= [11]
+              (is (= [10]
                      (vals $))))))))))