try to fix possible issue with battle being tried to start over and over again (#2863)

Author: DeinFreund

ZkLobbyServer/autohost/Commands/CmdStart.cs

@@ -42,12 +42,15 @@ public override async Task ExecuteArmed(ServerBattle battle, Say e)
             }
             if (wait)
             {
-                await battle.SayBattle("Game starting in 10 seconds...");
                 battle.BlockPolls(10);
+                await battle.SayBattle("Game starting in 10 seconds...");
                 startTimer = new Timer(10000);
-                startTimer.Enabled = true;
                 startTimer.AutoReset = false;
-                startTimer.Elapsed += (t, s) => { StartGame(battle); };
+                startTimer.Enabled = true;
+                startTimer.Elapsed += (t, s) => { 
+                    startTimer.Enabled = false; 
+                    StartGame(battle); 
+                };
             }
             else
             {
@@ -59,9 +62,11 @@ public override int GetPollWinMargin(ServerBattle battle, int numVoters)
         {
             // Require one more vote to start a game with uneven teams so at least one player in the smaller
             // team needs to agree to start the game. This is particularly relevant for the 2v1 case.
-            if (battle.Mode == PlasmaShared.AutohostMode.Teams) {
+            if (battle.Mode == PlasmaShared.AutohostMode.Teams)
+            {
                 return base.GetPollWinMargin(battle, numVoters) + numVoters % 2;
-            } else
+            }
+            else
             {
                 return base.GetPollWinMargin(battle, numVoters);
             }