[#1085] shard: Close components in reverse order

Write-cache should be closed before blobstor and metabase.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

pkg/local_object_storage/shard/control.go

@@ -127,14 +127,14 @@ func (s *Shard) refillMetabase() error {
 
 // Close releases all Shard's components.
 func (s *Shard) Close() error {
-	components := []interface{ Close() error }{
-		s.blobStor, s.metaBase,
-	}
+	components := []interface{ Close() error }{}
 
 	if s.hasWriteCache() {
 		components = append(components, s.writeCache)
 	}
 
+	components = append(components, s.blobStor, s.metaBase)
+
 	for _, component := range components {
 		if err := component.Close(); err != nil {
 			return fmt.Errorf("could not close %s: %w", component, err)