fix laying system infinite tryes of ssd players to stand up (#90)

Thats basically happens on client side, because of bugs on DoAfter side.

Content.Shared/_CorvaxNext/Standing/SharedLayingDownSystem.cs

@@ -9,6 +9,7 @@
 using Content.Shared.Gravity;
 using Content.Shared.Input;
 using Content.Shared.Interaction;
+using Content.Shared.Mind;
 using Content.Shared.Mobs;
 using Content.Shared.Mobs.Systems;
 using Content.Shared.Movement.Components;
@@ -55,6 +56,7 @@ public abstract class SharedLayingDownSystem : EntitySystem
     [Dependency] private readonly DamageableSystem _damageable = default!;
     [Dependency] private readonly SharedAudioSystem _audioSystem = default!;
     [Dependency] private readonly IGameTiming _timing = default!;
+    [Dependency] private readonly SharedMindSystem _mindSystem = default!;
 
     [Dependency] private readonly IConfigurationManager _config = default!;
 
@@ -329,7 +331,8 @@ standingState.CurrentState is not StandingState.Lying ||
         var args = new DoAfterArgs(EntityManager, uid, layingDown.StandingUpTime, new StandingUpDoAfterEvent(), uid)
         {
             BreakOnHandChange = false,
-            RequireCanInteract = false
+            RequireCanInteract = false,
+            Hidden = !_mindSystem.TryGetMind(uid, out EntityUid _, out MindComponent? _)
         };
 
         if (!_doAfter.TryStartDoAfter(args))