Fixes syringe/injector item status volume not being updated correctly.

Fixes #2843

Content.Server/GameObjects/Components/Chemistry/InjectorComponent.cs

@@ -4,6 +4,7 @@ using System.Threading.Tasks;
 using Content.Server.GameObjects.Components.Body.Circulatory;
 using Content.Shared.Chemistry;
 using Content.Shared.GameObjects.Components.Chemistry;
+using Content.Shared.GameObjects.EntitySystems;
 using Content.Shared.Interfaces;
 using Content.Shared.Interfaces.GameObjects.Components;
 using Content.Shared.Utility;
@@ -23,7 +24,7 @@ namespace Content.Server.GameObjects.Components.Chemistry
     /// containers, and can directly inject into a mobs bloodstream.
     /// </summary>
     [RegisterComponent]
-    public class InjectorComponent : SharedInjectorComponent, IAfterInteract, IUse
+    public class InjectorComponent : SharedInjectorComponent, IAfterInteract, IUse, ISolutionChange
     {
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
 
@@ -71,6 +72,8 @@ namespace Content.Server.GameObjects.Components.Chemistry
 
             // Set _toggleState based on prototype
             _toggleState = _injectOnly ? InjectorToggleMode.Inject : InjectorToggleMode.Draw;
+
+            Dirty();
         }
 
         /// <summary>
@@ -280,6 +283,11 @@ namespace Content.Server.GameObjects.Components.Chemistry
             Dirty();
         }
 
+        public void SolutionChanged(SolutionChangeEventArgs eventArgs)
+        {
+            Dirty();
+        }
+
         public override ComponentState GetComponentState()
         {
             Owner.TryGetComponent(out SolutionContainerComponent? solution);