Turn under control reworked:

- game: added support for human games (cards like Emrakul, the Promised End, #12878);
 - game: added support of 720.1. to reset control in the turn beginning instead cleanup step (related to #12115);
 - game: added game logs for priorities in cleanup step;
 - game: fixed game freezes and wrong skip settings usages (related to #12878);
 - gui: added playable and choose-able marks for controlling player's cards and permanents, including switched hands;
 - gui: added controlling player name in all choice dialogs;
 - info: control of computer players is it not yet supported;

Mage/src/main/java/mage/util/CardUtil.java

@@ -2127,9 +2127,10 @@ public final class CardUtil {
             return null;
         }
 
-        // not started game
+        // T0 - for not started game
+        // T2 - for starting of the turn
         if (gameState.getTurn().getStep() == null) {
-            return "T0";
+            return "T" + gameState.getTurnNum();
         }
 
         // normal game