fix: improve error messages in PingServer for better debugging

Author: simulot

immich/ping.go

@@ -18,10 +18,10 @@ func (ic *ImmichClient) PingServer(ctx context.Context) error {
 	b := bytes.NewBuffer(nil)
 	err := ic.newServerCall(ctx, EndPointPingServer).do(getRequest("/server/ping", setAcceptJSON()), responseCopy(b), responseJSON(&r))
 	if err != nil {
-		return fmt.Errorf("unexpected response to the immich's ping API at this address: %s:\n%s", ic.endPoint+"/server/ping", b.String())
+		return fmt.Errorf("error while calling the immich's ping API at this address: %s:\n%s", ic.endPoint+"/server/ping", err.Error())
 	}
 	if r.Res != "pong" {
-		return fmt.Errorf("incorrect ping response: %s", r.Res)
+		return fmt.Errorf("unexpected response to the immich's ping API at this address: %s:\n%s", ic.endPoint+"/server/ping", b.String())
 	}
 	return nil
 }