Bugfix: fix player boats getting stuck while sailing (and other weird bugs) - Network subscription now creates discovered cells Was caused by overly aggressive network group lazy creation. If they are created within player subscription range, player doesn't get subscribed to them automatically, which caused all kinds of issues. This'll hurt perf over time, but no worse than current perf on Release - I'll optimize this later Tests: unit tests, perf tests and built a boat and sailed across craggy