"CatchupServerAgent:Could not create catchup response header" printed every 0.01 seconds

[oleksandrSydorenkoJ]

Due to the log requirements
Version:
skalenetwork/schain:3.16.0-stable.1

Steps to reproduce:

1. Run load tests with data
2. send in loop skale_stats JSON-RPC call
3. Check skaled logs

Expected state:
Repeatable error or exception should be printed once per 10 seconds

Actual state:
skaled during catchup may print logs too often:

2023-03-02 14:02:56.662591   Block stats:BN:568692:BTS:1677765769:TXS:1563:HDRS:11:LOGS:40:SENGS:1:TXRS:5578:BLCKS:3:ACCS:101:BQS:1:BDS:51:TSS:0:UTX:0:VTX:751:CMM:266851038
[2023-03-02 14:02:56.707] [9:main] [error] 568692:!Exception: CatchupServerAgent:Could not create catchup response header
[2023-03-02 14:02:56.707] [9:main] [error] 568692: !Caused by: ptr<std:createResponseHeaderAndBinary
[2023-03-02 14:02:56.707] [9:main] [error] 568692:  !Caused by: ptr<std:createBlockCatchupResponse
[2023-03-02 14:02:56.707] [9:main] [error] 568692:   !Caused by: ptr<std:State check failed::blockSizes->size() > 0 /home/ubuntu/actions-runner/_work/skaled/skaled/libconsensus/catchup/server/CatchupServerAgent.cpp:271
[2023-03-02 14:02:56.733] [9:main] [error] 568692:!Exception: CatchupServerAgent:Could not create catchup response header
[2023-03-02 14:02:56.733] [9:main] [error] 568692: !Caused by: ptr<std:createResponseHeaderAndBinary
[2023-03-02 14:02:56.733] [9:main] [error] 568692:  !Caused by: ptr<std:createBlockCatchupResponse
[2023-03-02 14:02:56.733] [9:main] [error] 568692:   !Caused by: ptr<std:State check failed::blockSizes->size() > 0 /home/ubuntu/actions-runner/_work/skaled/skaled/libconsensus/catchup/server/CatchupServerAgent.cpp:271
[2023-03-02 14:02:56.757] [9:main] [error] 568692:!Exception: CatchupServerAgent:Could not create catchup response header
[2023-03-02 14:02:56.757] [9:main] [error] 568692: !Caused by: ptr<std:createResponseHeaderAndBinary
[2023-03-02 14:02:56.757] [9:main] [error] 568692:  !Caused by: ptr<std:createBlockCatchupResponse
[2023-03-02 14:02:56.757] [9:main] [error] 568692:   !Caused by: ptr<std:State check failed::blockSizes->size() > 0 /home/ubuntu/actions-runner/_work/skaled/skaled/libconsensus/catchup/server/CatchupServerAgent.cpp:271
[2023-03-02 14:02:56.790] [9:main] [error] 568692:!Exception: CatchupServerAgent:Could not create catchup response header
[2023-03-02 14:02:56.790] [9:main] [error] 568692: !Caused by: ptr<std:createResponseHeaderAndBinary
[2023-03-02 14:02:56.790] [9:main] [error] 568692:  !Caused by: ptr<std:createBlockCatchupResponse
[2023-03-02 14:02:56.790] [9:main] [error] 568692:   !Caused by: ptr<std:State check failed::blockSizes->size() > 0 /home/ubuntu/actions-runner/_work/skaled/skaled/libconsensus/catchup/server/CatchupServerAgent.cpp:271