[#48] client: Execute metainfo callback in processResponse()

It was lost in 8c5333ea55.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

client/common.go

@@ -260,6 +260,16 @@ func (x *contextCall) processResponse() bool {
 
 // processResponse verifies response signature and converts status to an error if needed.
 func (c *Client) processResponse(resp responseV2) (apistatus.Status, error) {
+	if c.prm.cbRespInfo != nil {
+		rmi := ResponseMetaInfo{
+			key:   resp.GetVerificationHeader().GetBodySignature().GetKey(),
+			epoch: resp.GetMetaHeader().GetEpoch(),
+		}
+		if err := c.prm.cbRespInfo(rmi); err != nil {
+			return nil, fmt.Errorf("response callback error: %w", err)
+		}
+	}
+
 	err := signature.VerifyServiceMessage(resp)
 	if err != nil {
 		return nil, fmt.Errorf("invalid response signature: %w", err)