2023.12.21 version update

This update includes: 1. Optimized the issue of lag in some models after increasing the number of cities in the later stage 2. Fixed a bug where buildings in the previous round were displayed as remaining and unable to be constructed due to continuous opening 3. Fixed a bug that may not display surrounding plots after capturing the city 4. Optimized the issue of occupying the total number of spectators in custom rooms 5. Fixed a bug in the game hall where tabs may get stuck when switching. 6. Right clicking now will no longer close the surrender interface. 7. Fixed a bug that may cause screen blur when switching languages within the game