fix seq

Signed-off-by: Wenqi Mou <[email protected]>

Author: Tristan1900

br/pkg/task/restore.go

@@ -2241,6 +2241,10 @@ func createDBsAndTables(
 func setTablesRestoreModeIfNeeded(tables []*metautil.Table, cfg *SnapshotRestoreConfig, isPiTR bool) {
 	if cfg.ExplicitFilter && isPiTR {
 		for i, table := range tables {
+			// skip sequence as there is extra steps need to do after creation and restoreMode will block it
+			if table.Info.IsSequence() {
+				continue
+			}
 			tableCopy := *table
 			tableCopy.Info = table.Info.Clone()
 			tableCopy.Info.Mode = model.TableModeRestore