Change some data definitions to not do IoC resolve in their constructors.

Content.Client/Light/Components/LightBehaviourComponent.cs

@@ -26,7 +26,7 @@ namespace Content.Client.Light.Components
     [ImplicitDataDefinitionForInheritors]
     public abstract class LightBehaviourAnimationTrack : AnimationTrackProperty
     {
-        protected readonly IRobustRandom _random = IoCManager.Resolve<IRobustRandom>();
+        protected IRobustRandom _random = default!;
 
         [DataField("id")] [ViewVariables] public string ID { get; set; } = string.Empty;
 
@@ -53,8 +53,9 @@ namespace Content.Client.Light.Components
         private float _maxTime = default;
         private IEntity _parent = default!;
 
-        public void Initialize(IEntity parent)
+        public void Initialize(IEntity parent, IRobustRandom random)
         {
+            _random = random;
             _parent = parent;
 
             if (Enabled && _parent.TryGetComponent(out PointLightComponent? light))
@@ -399,7 +400,7 @@ namespace Content.Client.Light.Components
 
             foreach (var container in _animations)
             {
-                container.LightBehaviour.Initialize(Owner);
+                container.LightBehaviour.Initialize(Owner, IoCManager.Resolve<IRobustRandom>());
             }
 
             // we need to initialize all behaviours before starting any
@@ -541,7 +542,7 @@ namespace Content.Client.Light.Components
                 AnimationTracks = {behaviour}
             };
 
-            behaviour.Initialize(Owner);
+            behaviour.Initialize(Owner, IoCManager.Resolve<IRobustRandom>());
 
             var container = new AnimationContainer(key, animation, behaviour);
             _animations.Add(container);

Content.Server/Chemistry/ReactionEffects/AreaReactionEffect.cs

@@ -5,13 +5,13 @@ using Content.Shared.Audio;
 using Content.Shared.Chemistry.Reaction;
 using Content.Shared.Sound;
 using JetBrains.Annotations;
-using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
 using Robust.Shared.Player;
+using Robust.Shared.Serialization;
 using Robust.Shared.Serialization.Manager.Attributes;
 
 namespace Content.Server.Chemistry.ReactionEffects
@@ -21,7 +21,7 @@ namespace Content.Server.Chemistry.ReactionEffects
     /// </summary>
     [UsedImplicitly]
     [ImplicitDataDefinitionForInheritors]
-    public abstract class AreaReactionEffect : IReactionEffect
+    public abstract class AreaReactionEffect : IReactionEffect, ISerializationHooks
     {
         [Dependency] private readonly IMapManager _mapManager = default!;
 
@@ -82,7 +82,7 @@ namespace Content.Server.Chemistry.ReactionEffects
         /// </summary>
         [DataField("sound", required: true)] private SoundSpecifier _sound = default!;
 
-        protected AreaReactionEffect()
+        void ISerializationHooks.AfterDeserialization()
         {
             IoCManager.InjectDependencies(this);
         }