feat: support scan metrics of FileStoreScan to align with ScanMetrics

Author: SteNicholas

src/paimon/core/operation/key_value_file_store_scan_test.cpp

@@ -147,9 +147,21 @@ TEST_F(KeyValueFileStoreScanTest, TestMaxSequenceNumber) {
         ASSERT_OK_AND_ASSIGN(std::shared_ptr<FileStoreScan::RawPlan> raw_plan, scan->CreatePlan());
         std::shared_ptr<Metrics> metrics = scan->GetScanMetrics();
         ASSERT_TRUE(metrics);
+        ASSERT_OK_AND_ASSIGN(uint64_t last_scan_duration,
+                             metrics->GetCounter(ScanMetrics::LAST_SCAN_DURATION));
+        ASSERT_TRUE(last_scan_duration > 0);
         ASSERT_OK_AND_ASSIGN(uint64_t last_scanned_snapshot_id,
                              metrics->GetCounter(ScanMetrics::LAST_SCANNED_SNAPSHOT_ID));
         ASSERT_EQ(2u, last_scanned_snapshot_id);
+        ASSERT_OK_AND_ASSIGN(uint64_t last_scanned_manifests,
+                             metrics->GetCounter(ScanMetrics::LAST_SCANNED_MANIFESTS));
+        ASSERT_EQ(2u, last_scanned_manifests);
+        ASSERT_OK_AND_ASSIGN(uint64_t last_scan_skipped_table_files,
+                             metrics->GetCounter(ScanMetrics::LAST_SCAN_SKIPPED_TABLE_FILES));
+        ASSERT_EQ(0u, last_scan_skipped_table_files);
+        ASSERT_OK_AND_ASSIGN(uint64_t last_scan_resulted_table_files,
+                             metrics->GetCounter(ScanMetrics::LAST_SCAN_RESULTED_TABLE_FILES));
+        ASSERT_EQ(2u, last_scan_resulted_table_files);
         int64_t max_sequence_num = GetMaxSequenceNumberOfRawPlan(raw_plan);
         ASSERT_EQ(max_sequence_num, 1);
         // test multiple scan