Content update for UI prediction (#27214)

* Content update for UI refactor

* Big update

* Sharing

* Remaining content updates

* First big update

* Prototype updates

* AUGH

* Fix UI comp ref

* Cleanup

- Fix predicted message, fix item slots, fix interaction range check.

* Fix regressions

* Make this predictive

idk why it wasn't.

* Fix slime merge

* Merge conflict

* Fix merge

Content.Server/SurveillanceCamera/Systems/SurveillanceCameraMonitorSystem.cs

@@ -90,7 +90,7 @@ public sealed class SurveillanceCameraMonitorSystem : EntitySystem
     private void OnSubnetRequest(EntityUid uid, SurveillanceCameraMonitorComponent component,
         SurveillanceCameraMonitorSubnetRequestMessage args)
     {
-        if (args.Session.AttachedEntity != null)
+        if (args.Actor != null)
         {
             SetActiveSubnet(uid, args.Subnet, component);
         }
@@ -208,13 +208,9 @@ public sealed class SurveillanceCameraMonitorSystem : EntitySystem
 
     private void OnBoundUiClose(EntityUid uid, SurveillanceCameraMonitorComponent component, BoundUIClosedEvent args)
     {
-        if (args.Session.AttachedEntity == null)
-        {
-            return;
-        }
-
-        RemoveViewer(uid, args.Session.AttachedEntity.Value, component);
+        RemoveViewer(uid, args.Actor, component);
     }
+
     #endregion
 
     private void SendHeartbeat(EntityUid uid, SurveillanceCameraMonitorComponent? monitor = null)
@@ -487,6 +483,6 @@ public sealed class SurveillanceCameraMonitorSystem : EntitySystem
         }
 
         var state = new SurveillanceCameraMonitorUiState(GetNetEntity(monitor.ActiveCamera), monitor.KnownSubnets.Keys.ToHashSet(), monitor.ActiveCameraAddress, monitor.ActiveSubnet, monitor.KnownCameras);
-        _userInterface.TrySetUiState(uid, SurveillanceCameraMonitorUiKey.Key, state);
+        _userInterface.SetUiState(uid, SurveillanceCameraMonitorUiKey.Key, state);
     }
 }