* server: fixed that a critical errors ignored in user commands threads (now it will be added to the logs);
* network: fixed frozen user responses in some use cases;
* network: fixed accidental and incorrect user responses (only latest response will be used now);
* network: improved freeze logs, added problem method name and code's line number;
* cheats: removed outdated deck and card load logic (only init.txt commands supports now);
* cheats: fixed wrong priority after add card dialog (closes#11437);
* cheats: improved stability and random errors on cheat executes (related to #11437);
* docs: added details on network and thread logic, human feedback life cycle, etc (see HumanPlayer, ThreadExecutorImpl);
