[hotfix] Fix data freshness don't work issue (#1091)

Author: luoyuxia

fluss-server/src/main/java/com/alibaba/fluss/server/coordinator/LakeTableTieringManager.java

@@ -390,6 +390,9 @@ private void doHandleStateChange(long tableId, TieringState targetState) {
                 liveTieringTableIds.put(tableId, clock.milliseconds());
                 break;
             case Tiered:
+                tableLastTieredTime.put(tableId, clock.milliseconds());
+                liveTieringTableIds.remove(tableId);
+                break;
             case Failed:
                 liveTieringTableIds.remove(tableId);
                 // do nothing

fluss-server/src/test/java/com/alibaba/fluss/server/coordinator/LakeTableTieringManagerTest.java

@@ -155,8 +155,13 @@ void testFinishTableTieringReTriggerSchedule() {
         // not advance time, request table should return null
         assertThat(tableTieringManager.requestTable()).isNull();
 
-        // now, advance time to trigger the table tiering
-        manualClock.advanceTime(Duration.ofSeconds(10));
+        // now, advance 1 second to trigger the table tiering
+        manualClock.advanceTime(Duration.ofSeconds(4));
+        // not reach data freshness, shouldn't request table
+        assertThat(tableTieringManager.requestTable()).isNull();
+
+        // advance 6 seconds again, should get table now
+        manualClock.advanceTime(Duration.ofSeconds(6));
         // the tiered epoch should be 2 now
         assertRequestTable(tableId1, tablePath1, 2);
     }