fix: 🐛 fix the bug that the mapMessage cannot be received correct…

fix the bug that the mapMessage cannot be received correctly when a spectator joins.

refactor: Try to refactor the code to reduce overhead.

Try to refactor the code to reduce overhead.

replace textbox with textblock in the progress display, but not use binding

Try making some modifications to make the interface run smoother.

Add the source of game maps.

Create a new map for THUAI6.