Add delaystart and forcepreset commands (#1163)

* Add extendroundstart message to extend lobby start timer

* Rename StartExtend to DelayStart

* Fix delaystart amounts above 59 not working

* Change delaystart seconds type from int to uint

* Change delaystart wrong args amount message

* Add forcegamepreset command

* Rename forcegamepreset to forcepreset and merged start and forcestart preset methods

* Fix index out of bounds exception when forcing suspicion to start

* Change game preset to match regardless of casing

* Add forcepreset unknown preset message

* Add and move in lobby checks

* Remove testing changes

* Change delaystart to pause/resume the timer when no seconds are specified

* Change pause message

* Remove testing code

* Change 0 seconds to not be a valid amount of seconds

* Replace MsgTickerLobbyCountdown Seconds with DateTime instead of uint

* Add one entire dot

* Replace Math.Min + Math.Max with Math.Clamp

Co-authored-by: ComicIronic <comicironic@gmail.com>

Co-authored-by: ComicIronic <comicironic@gmail.com>

Content.Server/GameTicking/GamePreset.cs

@@ -8,7 +8,7 @@ namespace Content.Server.GameTicking
     /// </summary>
     public abstract class GamePreset
     {
-        public abstract bool Start(IReadOnlyList<IPlayerSession> players);
+        public abstract bool Start(IReadOnlyList<IPlayerSession> readyPlayers, bool force = false);
         public virtual string ModeTitle => "Sandbox";
         public virtual string Description => "Secret!";
     }