order blocks stats after aspen hardfork rt one

[JakubFornadel]

Purpose

Another solution would be to have both:

std::unordered_map<PbftPeriod, BlockStats> unordered_blocks_stats_;
std::map<PbftPeriod, BlockStats> ordered_blocks_stats_;

inside Stats class.

I would still need to use at least 1 lambda function + aspen hf would have to be checked inside multiple functions...
I prioritized this solution as it is simpler and to do extra sort on 100 items every 100th block does not affect performance...

How does the solution address the problem

Changes made

[taraxadeploy]

prnet cleaned-up successfully