Changed the default Thread TempMemSize from 0 to 128KiB

Can't do anything without temp mem, can't even call gTrace. So better have a non-zero default.

Bedrock/Thread.h

@@ -26,7 +26,7 @@ struct ThreadConfig
 {
 	String          mName        = "";      // The thread name.
 	int             mStackSize   = 128_KiB; // The stack size of the thread.
-	int             mTempMemSize = 0;       // Initialize a temp memory of that size of the thread. Can be 0.
+	int             mTempMemSize = 128_KiB; // Initialize a temp memory of that size of the thread. Can be 0.
 	EThreadPriority mPriority    = EThreadPriority::Normal; // The priority of the thread.
 };