cmd/XDC: enable metrics for geth import command (ethereum#20738)

Author: gzliudan

cmd/XDC/chaincmd.go

@@ -71,6 +71,14 @@ It expects the genesis file as argument.`,
 			utils.GCModeFlag,
 			utils.CacheDatabaseFlag,
 			utils.CacheGCFlag,
+			utils.MetricsEnabledFlag,
+			utils.MetricsEnabledExpensiveFlag,
+			utils.MetricsEnableInfluxDBFlag,
+			utils.MetricsInfluxDBEndpointFlag,
+			utils.MetricsInfluxDBDatabaseFlag,
+			utils.MetricsInfluxDBUsernameFlag,
+			utils.MetricsInfluxDBPasswordFlag,
+			utils.MetricsInfluxDBTagsFlag,
 		},
 		Description: `
 The import command imports blocks from an RLP-encoded form. The form can be one file